PowerShell/Data/Abbr/chemistry.csv

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