PowerShell/data/dicts/chemistry.csv

1	TERM	MEANING
2	A	Atom
3	a	atto prefix (10-18)
4	AA	Acetic Acid
5	AA	Amino Acid
6	AA	Atomic Absorption spectroscopy
7	AACC	American Association for Clinical Chemistry
8	AADC	Amino Acid DeCarboxylase
9	AADC	Aromatic L-Amino acid DeCarboxylase
10	AAS	Atomic Absorption Spectroscopy
11	AB	Acid Base
12	AB	Acid Bath
13	ABCC	Advanced Biomedical Computing Center
14	ABCC	American Board of Clinical Chemistry
15	ABS	Absorb, Acrylonitrile Butadiene Styrene
16	ABV	Alcohol By Volume
17	ABW	Alcohol By Weight
18	Ac	Actinium
19	AC	Aromatic Carbon
20	ACC	American Chemical Council
21	ACE	Acetate
22	ACS	American Chemical Society
23	ADP	Adenosine DiPhosphate
24	AE	Acid Equivalent
25	AE	Activation Energy
26	AE	Atomic Emission
27	AFS	Atomic Fluorescence Spectroscopy
28	Ag	Silver
29	AH	Aryl Hydrocarbon
30	AHA	Alpha Hydroxy Acid
31	Al	Aluminum
32	ALDH	ALdehyde DeHydrogenase
33	Am	Americium
34	AM	Atomic Mass
35	AMP	Adenosine MonoPhosphate
36	AMU	Atomic Mass Unit
37	AN	Ammonium Nitrate
38	ANSI	American National Standards Institute
39	AO	Aldehyde Oxidase
40	AO	Aqueous Oxygen
41	API	Aromatic PolyImide
42	AR	Analytical Reagent
43	Ar	Argon
44	AS	Ammonium Sulfate
45	As	Arsenic
46	ASA	AcetylSalicylic Acid
47	ASP	ASParate
48	ATNO	Atomic Number
49	AT	Adenine and Thymine
50	AT	Alkaline Transition
51	At	Astatine
52	ATP	Adenosine TriPhosphate
53	ATP	Ambient Temperature Pressure
54	Au	Gold
55	AW	Atomic Weight
56	B	Boron
57	Ba	Barium
58	BA	Benzyl Alcohol
59	BA	Bonding Activity
60	BA	Butyl Acetate
61	BAP	Benzyl Amino Purine
62	BC	Bond Centered
63	BC	Boron Carbide
64	BCAA	Branched Chain Amino Acid
65	BCC	Body Centered Cubic
66	BCF	Black Carbon Fiber
67	BD	Black Diamond
68	Be	Beryllium
69	BE	Bond Energy
70	BeV	Billion Electron Volt (equal to 1 GeV)
71	BFR	Brominated Flame Retardants
72	Bh	Bohrium
73	BHA	Butylated Hydroxy Acid
74	BHA	Butylated HydroxyAnisole
75	BHD	Benzene Hydrogen Donor
76	BHT	Butylated Hydroxy Toluene
77	Bi	Bismuth
78	Bk	Berkelium
79	BLEVE	Boiling Liquid Expanding Vapor Explosion
80	BM	Base Metal
81	BMDL	Below Method Detection Limits
82	BOD	Biological Organic Deposit
83	BOV	Blow Off Valve
84	BP	Benzoyl Peroxide
85	BP	Boiling Point
86	BPDE	Benzo[A]Pyrene-Diol-Epoxide BPE,Boiling Point Elevation
87	BPO	Benzoyl PerOxide
88	Br	Bromine
89	BTA	BuTylated hydroxyAnisole
90	BTEX	Benzene, Toluene, Ethylbenzene, and Xylene
91	BTTN	1,2,4-ButaneTriol TriNitrate
92	BTX	Benzene, Toluene, Xylene
93	BWR	Boiling Water Reactor
94	Bz	Benzoyl functional group
95	BZP	BenZylPiperazine
96	B[a]P	Benzo[a]Pyrene
97	C	Carbon
98	C	Celsius
99	c	centi prefix (10-2)
100	C	Coulomb
101	C	Cytosine
102	Ca	Calcium
103	CA	Citric Acid
104	CAB	Cation-Anion Balance
105	CADS	Chemical Agent Detection System
106	CAR	Commercial And Residential
107	CAS	Chemical Abstracts Service
108	CAW	Catalyst Altered Water
109	CB	Conduction Band
110	CBA	Cytometric Bead Array
111	CBR	Chemical, Biological, Radiological
112	CBRE	Chemical, Biological, Radiological Element
113	CBRN	Chemical, Biological, Radiological, or Nuclear
114	CC	Cubic Centimeter
115	CCBA	Chemical Coordinate Bonding and Adsorption
116	CCL	Contaminant Candidate List
117	CCM	cubic centimeter
118	CCS	Carbon Capture Storage
119	Cd	Cadmium
120	CDA	Clean Dry Air
121	CDR	Chemical Distribution Room
122	CDSL	Chemical Data Summary List
123	CDU	Chemical Dispensing Unit
124	Ce	Cerium
125	CE	Chemical Engineering
126	CEP	Chemical Engineering Process
127	Cf	Californium
128	CF	Carbon Fiber
129	CF	Ceramic Fiber
130	CFA	Cetylated Fatty Acid
131	CFC	Chlorofluorocarbon
132	CFRP	Carbon Fiber Reinforced Plastic
133	cg	centigram
134	CGS	Centimeter, Gram, Second
135	CHC	Chlorinated HydroCarbon
136	Chem	Chemistry
137	CHM	Chemistry
138	CHO	Carbohydrate
139	Ci	Curie
140	CLC	Cross Linked Cellulose
141	cm	centimeter
142	Cm	Curium
143	CML	Chemical Markup Language
144	CN	Coordination Number
145	CN	Cyanide
146	CNO	Carbon Nitrogen Oxygen
147	CNP	Cyclic Nucleotide Phosphodiesterase
148	CNT	Carbon NanoTube
149	CO	Carbon monoxide
150	Co	Cobalt
151	CP	Chemically Pure
152	CP	Creatine Phosphate
153	CPA	CoPolymer Alloy
154	CPE	Chemical Potential Energy
155	Cr	Chromium
156	CR	Corrosion Resistant
157	CRAP	Crude Reagent And Products
158	CRC	Chemical Rubber Company
159	CRT	Cathode Ray Tube
160	Cs	Cesium
161	CSAC	Chemical Safety Analysis and Control
162	CSAD	Cysteine Sulfinic Acid Decarboxylase
163	CSTR	Continuously Stirred Tank Reactor
164	Cu	Copper
165	CVCS	Chemical Volume Control System
166	CW	Chemical Warfare
167	CWA	Chemical Warfare Agent
168	d	day
169	d	deci prefix (10-1)
170	D	Deuterium
171	D	Dilute
172	D-	Dextrorotatory
173	D2O	Deuterium Oxide or Heavy Water
174	da	dalton
175	da	deca prefix (101)
176	DAB	Diaminobenzidine
177	DAP	DiAmmonium Phosphate
178	dB	decibel
179	DB	Double Bond
180	Db	Dubnium
181	DDT	Dichloro Diphenyl Trichloroethane
182	DE	Dissociation Energy
183	DEC	Direct Evaporative Cooling
184	DEG	Degree
185	DEG	DiEthylene Glycol
186	DGA	Dissolved Gas Analysis
187	DHA	DocosaHexanoic Acid
188	DHMO	DiHydrogen MonOxide (water)
189	DHY	Dehydrate
190	DI	Diffusion Index
191	DIAPHOX	DIAmino PHosphine OXide
192	DIN	Dissolved Inorganic Nitrogen
193	DIP	Dissolved Inorganic Phosphate
194	DIW	De-Ionized Water
195	DLC	Dry Liquid Concentrate
196	DLS	Dynamic Light Scattering
197	DM	Dipole Moment
198	DM	Dry Matter
199	DMAE	DiMethyl Amino Ethanol
200	DMAP	4-DiMethylAminoPyridine
201	DMBP	DiMethyl BenzoPhenone
202	DME	DiMethyl Ether
203	DMG	DiMethyl Glycine
204	DMHg	DiMethyl mercury
205	DMK	DiMethyl Ketone
206	DMSO	DiMethyl SulfOxide
207	DMT	DiMethylTryptamine
208	DNA	DeoxyriboNucleic Acid
209	DOC	Dissolved Organic Compounds
210	DP	Differential Pressure
211	DP	Dry Process
212	DPM	Dynamic Proton Model
213	DQS	Discrete Quantum State
214	DRR	Double Replacement Reaction
215	DU	Depleted Uranium
216	Dy	Dysprosium
217	E	Energy
218	E	Exa- prefix (1018)
219	E1520	Propylene Glycol
220	EA	Epoxy Adhesive
221	EA	Ethyl Acetate
222	EAA	Ethylene Acrylic Acid
223	EAM	Embedded Atom Method
224	EAS	Electrophilic Aromatic Substitution
225	EB	Electrode Barrier
226	EBSD	Electron BackScatter Diffraction
227	EBT	Eriochrome Black T indicator
228	EC	Electron Capture
229	EC	Ethyl Carbonate
230	ECD	Electron Capture Detector
231	ECH	Enoyl-CoA Hydratase
232	EDI	Electrical De-Ionization
233	EDP	Ethylene Diamine Pyrocatehol
234	EDT	1,2-Ethane DiThiol
235	EDTA	Ethylene-Diamine-Tetra-Acetic acid
236	EE	Ether Extract
237	EEC	Equilibrium Equivalent Concentration
238	EEC	Evaporation Emission Control
239	EEEI	Effective Electron-Electron Interaction
240	EER	Equilibrium Exchange Rate
241	EET	Excitation Energy Transfer
242	EG	Ethylene Glycol
243	EGE	Ethylene Glycol Ether
244	EGO	Exhaust Gas Oxygen
245	EGR	Entropy Gradient Reversal
246	EGTA	Ethylene Glycol Tetraacetic Acid
247	EHF	Extremely High Frequency
248	EIC	Electromagnetically-Induced Chirality
249	ELF	Extremely Low Frequency
250	EM	ElectroMagnetic
251	EM	Elevated Moisture
252	EMA	Ethylene Methacrylic Acid
253	EMF	ElectroMotive Force
254	EN	Ethylene Naphthalate
255	EOF	ElectroOsmotic Flow
256	EP	Ethylene Polypropylene
257	EPA	Environmental Protection Agency
258	EPD	End Point Dilution
259	EPDM	Ethyl Propyl Diene Monomer
260	EPH	Extractable Petroleum Hydrocarbons
261	EPI	EPInephrine
262	Eq	Equivalent
263	Er	Erbium
264	ERW	Electrolyzed Reduced Water
265	Es	Einsteinium
266	ES	Excited State
267	ETOH	EThyl Alcohol
268	Eu	Europium
269	EV	Exceptional Vacuum
270	EVA	Ethylene Vinyl Acetate
271	EVOH	Ethylene Vinyl Alcohol
272	e–	electron
273	f	femto prefix (10-15)
274	F	Fluorine
275	FA	Fully Amorphous
276	FA	Furnace Annealing
277	FAC	Free Available Chlorine
278	FAD	Flavin Adenine Dinucleotide
279	FADE	Fast Atomic Density Evaluation
280	FAN	Free Amino Nitrogen
281	FAS	Fluorescence Actin Staining
282	FAS	Folic Acid Synthesis
283	FBC	Fesser, Bishop and Campbell model
284	FBD	Free Body Diagram
285	FBR	Fast Breeder Reactor
286	FC	Face Cell
287	FC	Face Centered
288	FC	Fragment Crystallization
289	FCC	Face Centered Cubic
290	FCC	Fluid Catalytic Cracking
291	FCC	Food Chemical Codex
292	FCCU	Fluidized Catalytic Cracking Unit
293	FCHC	Face Centered Hyper-Cubic
294	FCS	Fellow of the Chemical Society
295	FCS	Fire Control System
296	FCS	Fluorescence Correlation Spectroscopy
297	FE	Ferredoxin
298	FE	Free Energy
299	Fe	Iron
300	FGC	Flue Gas Conditioning
301	FIGD	Flow Injection/Gas Diffusion
302	FIGE	Field Inversion Gel Electrophoresis
303	FIPS	Fast Imaging Plasma Spectrometer
304	Fm	Fermium
305	FOS	FructoOligoSaccharide
306	FP	Freezing Point
307	FPD	Freezing Point Depression
308	FPLC	Fast Performance Liquid Chromatography
309	Fr	Francium
310	FRAP	Fluorine-Resistant Acid Phosphatase
311	FRS	Fellow of the Royal Society
312	FS	Free State
313	FSA	Formamidine Sulphinic Acid
314	FW	Formula Weight
315	G	Gauss
316	G	Gibbs Free Energy
317	G	Giga prefix (109)
318	G	Glycine g,gram
319	G	Guanosine
320	Ga	Gallium
321	Ga	Gauge
322	GABA	Gamma-AminoButyric Acid
323	GAD	Glutamate Decarboxylase
324	GAG	Glycosaminoglycan
325	GBB	Gas Blow Back
326	GC	Geiger Counter
327	GCC	Global Carbon Cycle
328	GCC	Global Climate Change
329	GCC	Glucocorticoid
330	GCC	Guanylyl Cyclase C
331	GCMS	Gas Chromatographic Mass Spectrometer
332	Gd	Gadolinium
333	GDP	Guanosine DiPhosphate
334	GE	Genetic Engineering
335	Ge	Germanium
336	GE	Group Element
337	Gel	Gelatin
338	GEM	Genetically Engineered Microorganism
339	GEP	Good Engineering Practice
340	GER	Gains Electrons,Reduction
341	GFM	Gram Formula Mass
342	GFW	Gram Formula Weight
343	GHB	Gamma-Hydroxy Butyrate
344	GI	Galvanized Iron
345	GI	Glycemic Index
346	GLA	GaLactosidase Alpha
347	GLA	Gamma-caroxyglutamic Acid
348	GLA	Gamma-Linolenic Acid
349	GLC	Gas Liquid Chromatography
350	Glc	Glucose
351	Glk	Glucokinase
352	GM	Geiger-Mueller tube
353	GMM	Gram Molecular Mass
354	GP	Gas Phase
355	GP	Glycerate 3-Phosphate
356	GP	GlycoProtein
357	GPC	Gel Permeation Chromatography
358	GS	Guanosine Synthetase
359	GT	Greater Than
360	GTL	Gas To Liquid
361	GTN	Glyceryl TriNitrate
362	Gy	Gray (radiation unit)
363	H	Enthalpy, Hydrogen
364	h	hecto prefix (102), Planck’s constant, convection heat transfer coefficient
365	H2	Chemical formula for hydrogen gas (dihydrogen)
366	H2O	Chemical symbol for water - each molecule of water contains two atoms of hydrogen (H) joined to a single atom of oxygen (O)
367	Ha	Hahnium (initial name for dubnium)
368	HA	Hemagglutinin
369	HAA	HaloAcetic Acid
370	HAc	Acetaldehyde
371	HAc	Acetic Acid
372	HACCP	Hazard Analysis and Critical Control Points
373	HAP	Hazardous Air Pollutant
374	HAS	Helium Atom Scattering
375	HAS	HyAluronan Synthase
376	HAT	Hypoxanthine, Aminopterin, Thymidine
377	HAZMAT	HAZardous MATerials
378	Hb	Hemoglobin
379	HB	Hydrogen Bonded
380	HBC	Hemoglobin C
381	HBCD	HexaBromoCycloDodecane
382	HBD	Hydrogen Bond Donor
383	HC	HydroCarbon
384	HCA	HydroxyCarbonate Apatite
385	HCA	HydroxyCitric Acid
386	HCB	HexaChloroBenzene
387	HCFC	HydroChloroFluoroCarbon
388	HDA	High Density Amorphous ice
389	HDA	HydroxyDecanoic Acid
390	HDI	Hexamethylene DiIsocyanate
391	HE	Hektoen Enteric agar
392	He	Helium
393	HE	High Explosive
394	HEA	Hektoen Enteric Agar
395	HEK	HEKtoen enteric agar
396	HEL	High Energy Laser
397	HEMA	HydroxyEthylMethAcrylate
398	HEP	Half Equivalence Point
399	HEPA	High-Efficiency Particulate Air
400	HEPH	Heavy Extractable Petroleum Hydrocarbons
401	HEU	Highly Enriched Uranium
402	Hf	Hafnium
403	HF	Hartree-Fock Method
404	HF	Heat Flux
405	HF	High Frequency
406	HF	Hydrogen Fuel
407	HFA	HydroFluoroAlkane
408	HFB	HexaFluoroBenzene
409	HFC	HydroFluoroCarbon
410	HFLL	Half-Filled Landau Level
411	HFP	HexaFluoroPropylene
412	Hg	Mercury
413	Hgb	Hemoglobin
414	HHV	High Heating Value
415	HIC	Household And Industrial Chemical
416	HL	Half-Life
417	HL	Hydrogen Line
418	HLA	HyaLuronic Acid
419	HLB	Helium Light Band
420	HMF	HydroxyMethyl Furfural
421	HMW	High Molecular Weight
422	Ho	Holmium
423	HO	Hydroxyl radical
424	HOAc	Acetic Acid
425	HOMO	Highest Occupied Molecular Orbital
426	HOQS	Highest Occupied Quantum State
427	HP	High Pressure
428	HPHT	High Pressure/High Temperature
429	HPLC	High Pressure Liquid Chromatography
430	HPPT	High Pressure Phase Transformation
431	HPSV	High Pressure Sodium Vapor
432	Hr	Hour
433	HRA	Health Risk Assessment
434	Hs	Hassium
435	HS	Hidden States
436	HSAB	Hard and Soft Acids and Bases
437	HSV	High Shear Viscosity
438	HT	Heat Transport
439	HT	Heat Treated
440	HT	High Temperature
441	HTC	Heat Transfer Coefficient
442	HTGR	High Temperature Gas Reactor
443	HTH	High Test Hypochlorite
444	HTS	High Temperature Superconductor
445	HTST	High Temperature/Short Time
446	HV	High Viscosity
447	HV	High Voltage
448	HVLP	High Volume/Low Pressure
449	HY	High Yield
450	Hz	Hertz
451	HZT	HydroChloroThiazide
452	I	electrical current
453	I	Iodine
454	I	Isoleucine
455	i.i.d.	independent and identically distributed
456	IAEA	International Atomic Energy Agency
457	IAQ	Indoor Air Quality
458	IB	Ion Balance
459	IC	Ice Crystals
460	ICE	Initial, Change, Equilibrium, or: Internal Combustion Engine
461	ICP	Inductively Coupled Plasma
462	ICSC	International Chemical Safety Card
463	ICSD	Inorganic Crystal Structure Database
464	ICSN	Institut de Chimie des Substances Naturelles
465	IE	Inert Electrolyte
466	IE	Ionization Energy
467	IG	Inert Gas
468	iHOP	information Hyperlinked Over Proteins
469	IK	Inverse Kinematics
470	IMBR	Immersed Membrane BioReactor
471	IMF	InterMolecular Force
472	IMS	Industrial Methylated Spirit
473	In	Indium
474	InChI	International Chemical Identifier
475	IOC	InOrganic Contaminant
476	IOCB	Institute of Chemistry and Biochemistry
477	IOCM	International Organic Chemistry Meeting
478	IPA	IsoPropyl Alcohol
479	IQ	Iron Quality
480	IR	Incident Report
481	IR	InfraRed
482	IR	Ionizing Radiation
483	Ir	Iridium
484	IRM	Interference Reflection Microscopy
485	ISI	In-Situ Interfermometer ISM,Industrial, Scientific, or Medical
486	ISI	Initial State Interaction
487	IUPAC	International Union of Pure and Applied Chemistry
488	J	Joule
489	JAC	Journal of Analytical Chemistry
490	JAW	Just Add Water
491	JBC	Journal of Biological Chemistry
492	JCG	Journal of Crystal Growth
493	JCS	Journal of the Chemical Society
494	JOC	Journal of Organic Chemistry
495	k	Boltzmann constant
496	K	Karat
497	K	Kelvin
498	k	kilo prefix (102)
499	K	Potassium
500	Ka	Acid dissociation constant
501	Kd	Dissociation constant
502	KE	Kinetic Energy
503	Keq	Equilibrium constant
504	kg	kilogram
505	KGA	KetoGlutaric Acid
506	kHz	kilohertz
507	km	kilometer
508	KMT	Kinetic Molecular Theory
509	Kr	Krypton
510	KTM	Kinetic Thermal Mixing
511	kW	kilowatt
512	L	azimuthal quantum number
513	L	Inductance
514	L	Length
515	L	Leucine
516	L	liter
517	L	luminosity
518	Li	Lithium
519	LIBS	Laser Induced Breakdown Spectroscopy
520	LiP	Lithium Polymer battery
521	Liq	Liquid
522	LLD	Liquid Level Detection
523	LLE	Liquid-Liquid Equilibrium
524	LLNL	Lawrence Livermore National Laboratory
525	LMA	Low Moisture Absorption
526	LME	Liquid Metal Embrittlement
527	LMH	Liquid Hydrogen
528	LN	Liquid Nitrogen
529	ln	natural logarithm
530	LNG	Liquid Natural Gas
531	LO	Localized Orbitals
532	LOD	Loss On Drying
533	LOQ	Limit Of Quantification
534	LOX	Liquid Oxygen
535	LP	Liquid Petroleum
536	LP	Liquid Propane
537	LPA	Liquid Pressure Amplifier
538	LPG	Liquid Petroleum Gas
539	Lq	Liquid
540	Lqd	Liquid
541	Lr	Lawrencium
542	LSD	Lysergic Acid Diethylamide
543	LSE	Low Surface Energy
544	LT	Less Than
545	Lt	light
546	LT	Low Temperature
547	LTE	Local Thermodynamic Equilibrium
548	LTG	Liquid To Gas
549	LTOEL	Long Term Occupational Exposure Limit
550	Lu	Lutetium
551	LUMO	Lowest Unoccupied Molecular Orbital
552	LV	Low Volatility
553	LVS	Large Volume Sampler
554	Lw	Lawrencium (Changed to Lr)
555	LWC	Light Water Content
556	LWG	Liquid Water in Grams
557	M	concentration (Molarity)
558	m	mass
559	M	Mega prefix (106)
560	m	meter
561	M	Methyl
562	m	Milli prefix (10-3)
563	M	Molar
564	M	Molecule
565	M3/H	Cubic Meters per Hour
566	mA	milliampere
567	MAC	Mobile Analytical Chemical
568	MADG	Moisture Activated Dry Granulation
569	MAM	Methyl Azoxy Methanol
570	MASER	Microwave Amplification by Stimulated Emission of Radiation
571	MAX	MAXimum
572	mbar	millibar
573	MBBA	N-(4-MethoxyBenzylidene)-4-ButylAniline
574	MC	MethylCellulose
575	MCA	Multi Channel Analyzer
576	MCL	Maximum Contaminant Level
577	MCR	MultiComponent Reaction
578	MCT	Medium Chain Triglyceride
579	MCT	MonoCarboxylate Transporter
580	Md	Mendelevium
581	MDA	MethyleneDiAniline
582	MDCM	Mechanistically Defined Chemical Mixtures
583	MDI	Methylene Diphenyl diIsocyanate
584	MDMA	MethyleneDioxy-MethylAmphetamine
585	MDQ	Minimum Daily Quantity
586	me	mass of an electron
587	ME	Materials Engineering
588	ME	MEthyl group
589	MEE	Minimum Explosive Energy
590	MEG	MonoEthylene Glycol
591	MEL	MethylEthylLead
592	MES	MethylEthylSulfate
593	MeV	Million electronVolt or MegaelectronVolt
594	MF	Methyl Formate
595	MF	Micro Fiber
596	MFG	Molecular Frequency Generator
597	MFP	Maximum Freezing Point
598	MFP	Molecular Free Path
599	MFP	MonoFluoroPhosphate
600	Mg	Magnesium
601	mg	milligram
602	MGA	Modular Gas Analyser
603	MH	Metal Halide
604	MH	Methyl Hydroxide
605	MHz	MegaHertz
606	MIBK	MethylIsoButylKetone
607	MIDAS	Molecular Interactions Dynamics And Simulations
608	MIG	Metal Inert Gas
609	MIN	MINimum
610	min	minutes
611	MIT	MethylIsoThiazolinone
612	MKS	Meter-Kilogram-Second
613	MKSA	Meter-Kilogram-Second-Ampere
614	mL or ml	milliliter
615	ML	Mono Layer
616	mm	millimeter
617	MM	Molar Mass
618	mmHg	millimeters of mercury
619	Mn	Manganese
620	MNT	Molecular NanoTechnology
621	MO	Molecular Orbital
622	Mo	Molybdenum
623	MOAH	Mineral Oil Aromatic Hydrocarbon
624	MOH	Measurement of Hardness
625	mol	mole
626	MOL	molecule
627	MP	Melting Point
628	MP	Metal Particulate
629	MPD	2-Methyl-2,4-PentaneDiol
630	MPD	m-PhenyleneDiamine
631	MPH	Miles Per Hour
632	MPS	Meters Per Second
633	Mr	Relative Molecular mass
634	MRT	Mean Radiant Temperature
635	MS	Mass Spectrometry
636	ms	millisecond
637	MSDS	Material Safety Data Sheet
638	MSG	MonoSodium Glutamate
639	Mt	Meitnerium
640	MTBE	Methyl Tert-butyl Ether
641	MW	MegaWatt
642	mW	MilliWatt
643	MW	Molecular Weight
644	MWCNT	Multi-Walled Carbon NanoTube
645	MWCO	Molecular Weight CutOff
646	MWM	Molecular Weight Marker
647	n	nano prefix (10-9)
648	n	neutron
649	n	neutron emission
650	N	Newton
651	N	Nitrogen
652	N	Normal (concentration)
653	n	number of moles
654	n0	neutron
655	NA	Avogadro constant
656	NA	Not Active
657	NA	Nucleic Acid
658	Na	Sodium
659	NAA	N-AcetylasPartate
660	NAA	Naphtalic Acetic Acid
661	NAC	Naphthenic Acid Corrosion
662	NAD+	Nicotinamide Adenine Dinucleotide
663	NADH	Nicotinamide Adenine Dinucleotide,Hydrogen (reduced)
664	NADP	Nicotinamide Adenine Dinucleotide Phosphate
665	NAS	National Academy of Science
666	Nb	Niobium
667	NBC	Nuclear, Biological, Chemical
668	NBO	Natural Bond Orbital
669	NCE	New Chemical Entity
670	NCEL	New Chemical Exposure Limit
671	NCR	No Carbon Required
672	NCW	National Chemistry Week
673	Nd	Neodymium
674	Ne	Neon
675	NE	Non Equilibrium
676	NE	Nuclear Energy
677	NG	Natural Gas
678	NHE	Normalized Hydrogen Electrode
679	Ni	Nickel
680	NIH	National Institutes of Health
681	NiMH	Nickel Metal Halide
682	NIST	National Institute of Standards and Technology
683	nm	nanometer
684	NM	Non Metal
685	NMR	Nuclear Magnetic Resonance
686	NNK	Nicotine-derived Nitrosamine Ketone
687	No	Nobelium
688	NOAA	National Oceanic and Atmospheric Administration
689	NORM	Naturally Occurring Radioactive Material
690	NOS	Nitric Oxide Synthase
691	NOS	Nitrous Oxide
692	NOx	Nitrogen Oxides
693	Np	Neptunium
694	NR	Not Recorded
695	NS	Not Significant
696	NU	Natural Uranium
697	NV	Non-Volatile
698	NVC	Non-Volatile Chemical
699	NVOC	Non–Volatile Organic Chemical
700	NW	Nuclear Weapon
701	O	Oxygen
702	O3	Ozone
703	OA	Oleic Acid
704	OAA	OxaloAcetic Acid
705	OAc	Acetoxy functional group
706	OAM	Orbital Angular Momentum
707	OB	Oligosaccharide Binding
708	OC	Organic Carbon
709	OD	Optical Density
710	OD	Oxygen Demand
711	ODC	Ornithine DeCarboxylase
712	OER	Oxygen Enhancement Ratio
713	OF	Oxygen Free
714	OFC	Oxygen Free Copper
715	OFHC	Oxygen Free High thermal Conductivity
716	OH	alcohol
717	OH	hydroxide
718	OH	hydroxyl functional group
719	OI	Oxygen Index
720	OILRIG	Oxygen Is Losing, Reduction Is Gaining
721	OM	Organic Matter
722	ON	Oxidation Number
723	OP	Organophosphate
724	OQS	Occupied Quantum State
725	OR	Oxidation-Reduction
726	ORNL	Oak Ridge National Laboratory
727	ORP	Oxidation-Reduction Potential
728	ORR	Oxidation-Reduction Reaction
729	Os	Osmium
730	OSHA	Occupational Safety and Health Administration
731	OSL	Optically Stimulated Luminescence
732	OTA	OchraToxin A
733	OV	Organic Vapor
734	OVA	Organic Vapor Analyser
735	OVA	OVAlbumin
736	OWC	Oil-Water Contact
737	OX	Oxidation
738	OX	oxygen
739	OXA	OXanilic Acid
740	OXT	OXyTocin
741	OXY	Oxygen
742	p+	Proton
743	P	Peta prefix (1015)
744	P	Phosphorus
745	p	pico prefix (10-12)
746	P	Pressure
747	P	Proton
748	Pa	Pascal
749	PA	Phosphatidic Acid
750	Pa	Protactinium
751	PA	Proton Affinity
752	PAA	PolyAcrylic Acid
753	PABA	ParaAminoBenzoic Acid
754	PAC	Pharmaceutically Active Compound
755	PAC	Polycyclic Aromatic Content
756	PAC	Powdered Activated Carbon
757	PAEK	PolyArylEtherKetone
758	PAGE	PolyAcrylamide Gel Electrophoresis
759	PAH	Polycyclic Aromatic Hydrocarbon
760	PAI	PolyAmide Imide
761	PAO	PolyAlphaOlefin
762	PASA	PolyAmide, Semi-Aromatic
763	Pb	Lead
764	PB	PolyButylene
765	PBB	PolyBrominated Biphenyl
766	PBD	PolyButaDiene
767	PBI	PolyBenzImidazole
768	PBN	PolyButylene Naphthalate
769	PBS	Phosphate Buffered Saline
770	PBT	PolyButylene Terephthalate
771	PC	PolyCarbonate
772	PC	Pyruvate Carboxylase
773	PCA	Pyrrolidone Carboxylic Acid
774	PCC	Pyridine Chloro Chromate
775	PCE	Tetrachloroethylene
776	PCR	Polymerase Chain Reaction
777	PCV	Pressure Control Valve
778	Pd	Palladium
779	PD	Positive Displacement
780	PD	Potential Difference
781	PE	PhycoErythrin
782	PE	Polyethylene
783	PE	Potential Energy
784	PEA	PolyEster Amine
785	PEEK	PolyEtherEtherKetone
786	PEG	PolyEthylene Glycol
787	PEK	Poly Ether Ketone
788	PEL	Permissible Exposure Limit
789	PERC	Tetrachloroethylene
790	PES	PolyEtherSulfone
791	PET	PolyEthylene Terephthalate
792	PETP	PolyEthyleneTerePhthalate
793	PEX	Cross-linked PolyEthylene
794	PFC	Perfluorocarbon
795	pg	picogram
796	PG	Propylene Glycol
797	PG	Prostaglandin
798	PGA	3-PhosphoGlyceric Acid
799	PGA	PolyGlutamic Acid
800	PGE	Platinum Group Elements
801	PGM	Platinum Group Metals
802	pH	measurement of H+ ions in aqueous solution
803	PH	Phenol functional group
804	PHA	PolyHydroxyAlkanoate
805	PHB	PolyHydroxyButyrate
806	PHC	Petroleum HydroCarbon
807	PHMB	PolyHexaMethyleneBiguanide
808	PHT	PHThalate
809	PI	Phosphate Ion
810	PI	PolyImide
811	PIB	PolyIsoButylene
812	pK	measurement of the dissociation constant
813	PLA	Polymerized Lactic Acid
814	PLC	PhosphoLipase-C
815	PM	Particulate Matter
816	PM	Photo Multiplier
817	pm	picometer
818	PM	Plasma Membrane
819	PM	Powder Metallurgy
820	Pm	Promethium
821	PM10	Particulates smaller than 10 μm.
822	PM3	Parameterized Model number 3
823	PMA	PhosphoMolybdic Acid
824	PMA	PolyMethyl Acrylate
825	PMID	PubMed IDentifier
826	PMMA	PolyMethylMethAcrylate
827	PMO	PolyMethylene Oxide
828	PNPA	PolyNucleotide Phosphorylase A
829	PNPB	PolyNucleotide Phosphorylase B
830	Po	Polonium
831	POC	Polar Organic Contaminant
832	pOH	measurement of OH- ions in aqueous solution
833	POL	Petroleum, Oils, and Lubricants
834	POP	Persistent Organic Pollutant
835	PORC	Porcelain
836	PPA	PhenylPropanolAmine
837	PPA	PolyPhthalAmide
838	ppb	Parts per billion
839	ppm	Parts per million
840	PPO	PolyPhenylene Oxide
841	PPS	PolyPhenylene Sulfide
842	PPT	Parts Per Trillion
843	PPT	PolyPyrimidine Tract
844	PPT	Precipitate
845	Pr	Praseodymium
846	PRV	Pressure Relief Valve
847	PSI	Pounds per Square Inch
848	PSV	Pressure Safety Valve
849	Pt	Platinum
850	PTFE	PolyTetraFluoroEthylene
851	Pu	Plutonium
852	PU	PolyUrethane
853	PV	Parity Violation
854	PV	Pressure Volume
855	PVC	PolyVinyl Chloride
856	PVT	Pressure, Volume, Temperature
857	PXY	Para-XYlene
858	Q	Heat energy
859	QA	Quinolinic Acid
860	QC	Quality Control
861	QCD	Quantum ChromoDynamics
862	QED	Quantum ElectroDynamics
863	QED	Quod Erat Demonstradum (Latin for “which was to be demonstrated”)
864	QM	Quantum Mechanics
865	QS	Quantum State
866	QS	Quantum Sufficit (Latin for “as much as needed”)
867	qt	quart
868	QW	Quit Whining
869	QY	Quantum Yield
870	R	Arginine amino acid
871	R	Chiral center for R/S system
872	R	functional group or side chain of atoms variable
873	R	Ideal Gas Constant
874	R	Reactive
875	R	Redux
876	R	Resistance
877	R	Rydberg Constant
878	R	Röntgen unit
879	Ra	Radium
880	RA	Retinoic Acid
881	RACHEL	Remote Acess Chemical Hazards Electronic Library
882	rad	Radiation, Absorbed Dose
883	rad	radian
884	Rad	Radioactive
885	Rb	Rubidium
886	RBA	Rutherford Backscattering Analysis
887	RBD	Refined, Bleached and Deodorized
888	RCS	Reactive Chemical Species
889	RDA	Recommended Daily Allowance
890	RDT	Recombinant DNA Technology
891	RDX	cyclotrimethylenetrinitramine
892	RDX	Research Department Explosive
893	RE	Rare Earth
894	Re	Rhenium
895	REACH	Registration, Evaluation, Authorization, and restriction of CHemical substances
896	REE	Rare Earth Element
897	Ref	Reference
898	rem	Radiation Equivalent, Man
899	REM	Rare Earth Metal
900	REQ	Required
901	RER	Respiratory Exchange Ratio
902	RF	Radio Frequency
903	RF	Resonance Frequency
904	Rf	Rutherfordium
905	RFIC	Reagent-Free Ion Chromatography
906	RFM	Relative Formula Mass
907	RG	Rare Gas
908	Rg	Roentgenium
909	RH	Relative Humidity
910	Rh	Rhodium
911	RH	Rydberg Constant for Hydrogen
912	RHE	Reversible Hydrogen Electrode
913	RHIC	Relativistic Heavy Ion Collider
914	RHS	Right Hand Side
915	RI	Radical Initiator
916	RIO	Red IronOxide
917	RL	Reaction Level
918	RMM	Relative Molar Mass
919	RMS	Root Mean Square
920	Rn	Radon
921	RNA	RiboNucleic Acid
922	RNS	Reactive Nitrogen Species
923	RO	Red Oxide
924	RO	Reverse Osmosis
925	ROHS	Restriction Of Hazardous Substances
926	ROS	Reactive Oxygen Species
927	ROWPU	Reverse Osmosis Water Purification Unit
928	RPT	Repeat
929	RSC	Royal Society of Chemistry
930	RT	Energy (Rydberg Constant x Temperature)
931	RT	Reverse Transcriptase
932	RT	Room Temperature
933	RTM	Read The Manual
934	RTP	Room Temperature and Pressure
935	RTSC	Room Temperature Super Conductor
936	Ru	Ruthenium
937	S	Entropy
938	s	seconds
939	s	solid
940	s	spin quantum number
941	S	Sulfur
942	SA	Salicylic Acid
943	SA	Surface Area
944	SAC	S-Allyl Cysteine
945	SAC	Strong Acid Cation
946	sal	salt (Latin)
947	SAM	S-Adenosyl Methionine
948	SAM	Spin Angular Momentum
949	SAN	Styrene-AcryloNitrile
950	SAP	Super Absorbent Polymer
951	SAQ	Soluable AnthraQunone
952	SAS	Small Angle Scattering
953	SATP	Standard Ambient Temperature and Pressure
954	Sb	Antimony
955	SB	Solvent Based
956	SBA	Strong Base Anion
957	SBC	Styrene Butadiene Copolymer
958	SBR	Sequencing Batch Reactor
959	SBS	Styrene Butadiene Styrene
960	Sc	Scandium
961	SC	Silicon Carbide
962	SCBA	Specific Chemical and Biologic Agents
963	SCC	Stress Corrosion Cracking
964	Sci	Science
965	SCN	Thiocyanate
966	SCO	Super Charged Oxygen
967	SCS	Single Crystal Silicon
968	SCU	SCoville Units
969	SCVF	Single Chamber Vacuum Furnace
970	SCW	Super Critical Water
971	SCX	Strong Cation eXchanger
972	SDMS	Scientific Data Management System
973	SDV	Shut Down Valve
974	SDW	Spin Density Wave
975	SE	Sample Error
976	Se	Selenium
977	Sec	Seconds
978	SEP	Separate
979	SEU	Slightly Enriched Uranium
980	SF	Safety Factor
981	SF	Significant Figures
982	SFC	Supercritical Fluid Chromatography
983	SFPM	Suspended Fine Particulate Matter
984	Sg	Seaborgium
985	SG	Specific Gravity
986	SG	Spheroidal Graphite
987	SH	Thiol functional group
988	SHC	Synthetic HydroCarbon
989	SHE	Standard Hydrogen Electrode
990	SHF	Super High Frequency
991	SI units	Système international d’unités (International System of Units)
992	Si	Silicon
993	SL	Sea Level
994	SL	Short Lived
995	SLI	Solid-Liquid Interface
996	SLP	Sea Level Pressure
997	Sm	Samarium
998	SM	Semi-Metal
999	SM	Standard Model
1000	SMILES	Simplified Molecular Input Line Entry System
1001	SN	Sodium Nitrate
1002	Sn	Tin
1003	SNAP	S-Nitroso-N-AcetylPenicillamine
1004	SNP	Single-Nucleotide Polymorphism
1005	sp	hybrid orbital between s and p orbitals
1006	SP	Solubility Product
1007	Sp	Special
1008	SP	Starting Point
1009	SPDF	atomic electron orbital names
1010	SQ	squared
1011	Sr	Strontium
1012	SS	Solid Solution
1013	SS	Stainless Steel
1014	SSP	Steady State Plasma
1015	STEL	Short Term Exposure Limit
1016	STM	Scanning Tunneling Microscope
1017	STP	Standard Temperature and Pressure
1018	SUS	SUSpension
1019	T	Period of a wave
1020	T	Tera prefix (1012)
1021	T	Thymine
1022	t	time
1023	T	Transition Metal
1024	T	Tritium
1025	Ta	Tantalum
1026	TaC	Tantalum Carbide
1027	TAC	Teiacetyl Cellulose
1028	TAG	TriAcylGlyceride
1029	tan	tangent
1030	TAN	Total Acid Number
1031	TAS	Total Alkali versus Silica
1032	TAS	Total Analysis System
1033	TAT	TriAcetone TriPeroxide
1034	Tb	Terbium
1035	TBA	2,4,6-TriBromoAnisole
1036	TBA	TertButylArsine
1037	TBC	4-TertButylCatechol
1038	TBHQ	TertButylHydroQuinone
1039	TBP	True Boiling Point
1040	TBT	TriButylTin
1041	Tc	Critical Temperature
1042	Tc	Technitium
1043	TC	Temperature Compensated
1044	TC	Temperature Controlled
1045	TC	Theoretical Chemistry
1046	TCA	TauroCholic Acid
1047	TCA	TCA cycle (citric acid cycle)
1048	TCA	TriChloroAcetic Acid
1049	TCE	TriChloroEthane
1050	TCF	ThiolCarbon Fiber
1051	TCM	TetraChloromethane
1052	TCP	1,2,3-TriChloropropane
1053	TCP	Thermal Conversion Process
1054	TCP	Tocopherol
1055	TCP	TriCalcium Phosphate
1056	TCP	TriChloroPhenol
1057	TCS	Toxic Chemical System
1058	TCT	ToCoTrienol
1059	TCV	Temperature Control Valve
1060	TCVF	Two Chamber Vacuum Furnace
1061	TD	Temperature Displacement
1062	TD	Thermal Deposition
1063	TDA	Thermal Dilatometric Analysis
1064	TDC	Three Degrees Centigrade
1065	TDG	ThymineDNA Glycosylase
1066	TDI	Tolerable Daily Intake
1067	TDI	Toluene DiIsonate
1068	TDO	Tryptophan 2,3-DiOxygenase
1069	TDP	Thermal DePolymerization
1070	TDP	Thiamine DiPhosphate
1071	TDP	Thymidine DiPhosphate
1072	Te	Tellurium
1073	TEA	Terminal Electron Acceptor
1074	TEC	Thermal Electric Cooler
1075	TEL	Tetra Ethyl Lead
1076	TFM	Total Fatty Matter
1077	Th	Thorium
1078	THC	Tetra Hydra Cannabinol
1079	THM	TriHaloMethanes
1080	TI	Thermal Index
1081	Ti	Titanium
1082	TIC	Total Ion Current
1083	TIMS	Thermal Ionization Mass Spectroscopy
1084	TIP	TrisIsopropyl Phenyl
1085	Tl	Thallium
1086	TLC	Thin Layer Chromatography
1087	TLV	Toxic Level Value
1088	Tm	Thulium
1089	TM	Transition Metal
1090	TMD	Theoretical Maximum Density
1091	TMG	TriMethylGlycine
1092	TMMA	TetraMethylMalonAmide
1093	TMP	TriMethylPhosphate
1094	TMS	TriMethylSilane
1095	TNB	TriNitroBenzene
1096	TNS	Test No Ether
1097	TNT	TriNitroToluene
1098	TOBSY	Total ThroughBond Correlation Spectroscopy
1099	TOC	Total Organic Carbon
1100	TOI	Table Of Isotopes
1101	TON	Table Of Nuclides
1102	TOX	Toxic
1103	TP	Transition Point
1104	TP	Triple Point
1105	TPE	ThermoPlastic Elastomer
1106	TPM	Total Particulate Matter
1107	TR	Table Row
1108	TRAP	Tartrate Resistant Acid Phosphatase
1109	TRFM	Time Resolved Fluorescence Microscopy
1110	TRP	Tryptophan
1111	TS	Temperature Sensitive
1112	TSCB	TriSilaCycloButane
1113	TSP	Thermally Stable Polycrystalline
1114	TSP	TriSodium Phosphate
1115	TSPM	Total Suspended Particulate Matter
1116	TSS	Total Soluble Solids
1117	TST	Transitional State Theory
1118	TT	Test Tube
1119	TTC	Triphenyl Tetrazolium Chloride
1120	TTFD	Thiamine TetraHydroFurfurylDisulfide
1121	TTLC	Total Threshold Limit Concentration
1122	TTO	Total Toxic Organics
1123	TTP	Thymine TriPhosphate
1124	TTX	Tetrodotoxin
1125	TU	Thermally Unbound
1126	TWMC	Time Weighted Mean Concentration
1127	TWV	Total Water Vapor
1128	U	Internal Energy
1129	U	Undetectable
1130	U	Uranium
1131	UAFM	Uranyl Acetate Fluorescence Method
1132	UCK	Universal Chemical Key
1133	UG	Undisturbed Gas UHC,Unburned HydroCarbons
1134	UHF	Ultra High Frequency
1135	UHMW	Ultra High Molecular Weight
1136	UHP	Ultra High Pressure
1137	UHP	Ultra High Purity
1138	UHT	Ultra High Temperature
1139	UHV	Ultra High Vacuum
1140	ULG	Universal Liquid Gas
1141	ULO	Ultra Low Oxygen
1142	ULOQ	Upper Limit Of Quantitation
1143	ULS	Ultra Low Sulfur
1144	ULT	Ultra Low Temperature
1145	UNK	UNKnown
1146	UPW	Ultra Pure Water
1147	UQY	Ultimate Quality and Yield
1148	UUD	UnUnDuium (Element 112, now Cn)
1149	UUH	UnUnHexium (Element 116)
1150	UUO	UnUnOctium (Element 118)
1151	UUP	UnUnPentium (Element 115)
1152	UUQ	UnUnQuadium (Element 114)
1153	UUS	UnUnSeptium (Element 117)
1154	UUU	UnUnUnium (Element 111, now Rg)
1155	UV	UltraViolet
1156	UV-A	UltravViolet band A
1157	UV-B	UltraViolet band B
1158	UVA	UltraViolet band A
1159	UVB	UltraViolet band B
1160	UVF	UtraViolet Filter
1161	UVL	UltraViolet Lamp
1162	UVR	UltraViolet Reactive
1163	UXS	Glucuronic Acid DeCarboxylase
1164	UYQ	Uranium Yield Quantity
1165	V	Vacuum
1166	V	Valene
1167	V	Vanadium
1168	v	velocity
1169	V	Volt
1170	V	Volume
1171	VA	Nitrogen group
1172	VA	Volume Analyzer
1173	VAC	Vacuum
1174	VAC	Vacuum Assisted Closure
1175	VB	Vacuum Break
1176	VB	Valence Band
1177	VBJ	Vacuum Bell Jar
1178	VBT	Valence Bond Theory
1179	VC	Vapor Cloud
1180	VC	Vinyl Chloride
1181	VC	Viscous Coupled
1182	VCE	Vapor Cloud Explosion
1183	VCM	Vinyl Chloride Monomer
1184	Vd	Volume distribution
1185	VDB	VanDyke Brown test
1186	VDF	Van der Waals force
1187	VDW	Van der Waals radius
1188	VEQ	EQuilibrium Volume
1189	VEQ	EQuivalence point Volume
1190	VFn	Vertical Face number (n is a number)
1191	VH	Vapor Hazard
1192	VHH	Volatile Halogenated Hydrocarbon
1193	VHI	Vapor Hazard Index
1194	VHN	Vickers Hardness Number
1195	VHP	Vaporized Hydrogen Peroxide
1196	VHP	Very High Pressure
1197	VHT	Very High Temperature
1198	VHY	Very High Yield
1199	VI	Viscosity Index
1200	VLD	Vacuum Leak Detector
1201	VLE	Vapor Liquid Equilibrium
1202	VMD	Visual Molecular Dynamics
1203	VO	Vacuum Oven
1204	VOA	Volatile Organic Analysis
1205	VOC	Volatile Organic Compound
1206	VOL	Volume
1207	VP	Vapor Point
1208	VP	Vapor Pressure
1209	VPE	Virtual Potential Energy
1210	VR	Very Rapid
1211	VS	Very Saturated
1212	VS	Volatile Solid
1213	VSC	Volatile Sulfur Compound
1214	VSS	Volatile Suspended Solid
1215	VTC	Variable Temperature Cutoff
1216	VTP	Volume, Temperature, Pressure
1217	VU	Volume Units
1218	VV	Vacuum Vessel
1219	VV	Valence-Valence
1220	VW	Varies Widely
1221	W	Tryptofan
1222	W	Tungsten
1223	W	Watt
1224	W	wavelength
1225	W	Weight
1226	W	width
1227	W	Work
1228	W5	Which Was What We Wanted
1229	WA	Weak Acid
1230	WAC	Weak Acid Cation
1231	WB	Water Based
1232	WB	Weak Base
1233	WB	Weak Bond
1234	WBA	Weak Base Anion
1235	WC	Water Cosolvent
1236	WCS	Worst Case Scenario
1237	WD	Water Dispersant
1238	WD	Water Displacement
1239	WD	Wet/Dry
1240	WIAP	Water In All Phases
1241	WIN	Water Insoluble Nitrogen
1242	WNA	World Nuclear Association
1243	WO	Weak Oxidizer
1244	WP	White Phosphorus
1245	WPS	Water Phase Salt
1246	WR	Water Repellent
1247	WS	Wash Solution
1248	WS	Water Soluble
1249	WSNZ	Water Soluble Zinc
1250	WSPI	Water-Soluble Phosphorous, Inorganic
1251	WSPO	Water-Soluble Phosphorous, Organic
1252	WSS	Water Soluble Stabilizer
1253	WST	Weighted Settling Time
1254	WV	Water Vapor
1255	WVDA	Water Vapor Diffusion Analysis
1256	WVM	Water Vapor Monitor
1257	WVN	Water Vapor Nitrogen
1258	WVP	Water Vapor Permeability
1259	WVT	Water Vapor Transport
1260	WW	Waste Water
1261	WWIX	Waste Water Ion eXchange
1262	WYOL	Write Your Own Lab
1263	WYOLA	Write Your Own Lab Assignment
1264	WYU	What You Use
1265	X	Halogen
1266	X	unknown
1267	XAG	Silver Troy Ounce
1268	XAN	XANthine
1269	XAU	Gold Troy Ounce
1270	XDB	eXtra Dense Bonding
1271	Xe	Xenon
1272	XLS	Xenon Light Source
1273	XOD	Xanthine Oxidase
1274	XPD	Palladium Troy Ounce
1275	XPT	Platinum Troy Ounce
1276	XUM	X-ray Ultra-Microscope
1277	XYD	XYliDine
1278	Y	Tyrosine
1279	y	yocto prefix (10-24)
1280	Y	Yotta prefix (1024)
1281	Y	Yttrium
1282	YA	Yield Analysis
1283	YAG	Yttrium Aluminum Garnet
1284	YAP	Yield Analysis Pattern
1285	Yb	Ytterbium
1286	YBCO	Yttrium Barium Copper Oxide
1287	YBG	Your Best Guess
1288	YCC	American Chemical Society Younger Chemists Committee
1289	Yd	Yard
1290	YIC	Yttrium Lithium Fluoride
1291	Yr	Year
1292	YZN	Yellow ZiNc dichromate
1293	Z	Atomic Number
1294	Z	azimuth
1295	Z	Impedance
1296	Z	proton number
1297	z	zepto prefix (10-21)
1298	Z	zero
1299	Z	Zetta prefix (1021)
1300	ZB	Zinc Blende
1301	ZC	Zero Calibration
1302	ZC	Zinc Composite
1303	ZCG	Zeolite Crystal Growth
1304	ZCR	Zinc Chromium
1305	ZCS	Zinc Coated Steel
1306	ZDC	Zero Degrees Kelvin
1307	ZE	Zone Electrophoresis
1308	ZEKE	Zero Electron Kinetic Energy
1309	ZG	Zero Gravity
1310	ZINC	Zinc Is Not Copper
1311	ZK	Zero Kelvin
1312	Zn	Zinc
1313	ZO	Zinc Oxide
1314	ZP	Zero Pressure
1315	Zr	Zirconium
1316	ZRE	Zinc Responsive Element