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	HAZMAT	HAZardous MATerials
379	Hb	Hemoglobin
380	HB	Hydrogen Bonded
381	HBC	Hemoglobin C
382	HBCD	HexaBromoCycloDodecane
383	HBD	Hydrogen Bond Donor
384	HC	HydroCarbon
385	HCA	HydroxyCarbonate Apatite
386	HCA	HydroxyCitric Acid
387	HCB	HexaChloroBenzene
388	HCFC	HydroChloroFluoroCarbon
389	HDA	High Density Amorphous ice
390	HDA	HydroxyDecanoic Acid
391	HDI	Hexamethylene DiIsocyanate
392	HE	Hektoen Enteric agar
393	He	Helium
394	HE	High Explosive
395	HEA	Hektoen Enteric Agar
396	HEK	HEKtoen enteric agar
397	HEL	High Energy Laser
398	HEMA	HydroxyEthylMethAcrylate
399	HEP	Half Equivalence Point
400	HEPA	High-Efficiency Particulate Air
401	HEPH	Heavy Extractable Petroleum Hydrocarbons
402	HEU	Highly Enriched Uranium
403	Hf	Hafnium
404	HF	Hartree-Fock Method
405	HF	Heat Flux
406	HF	High Frequency
407	HF	Hydrogen Fuel
408	HFA	HydroFluoroAlkane
409	HFB	HexaFluoroBenzene
410	HFC	HydroFluoroCarbon
411	HFLL	Half-Filled Landau Level
412	HFP	HexaFluoroPropylene
413	Hg	Mercury
414	Hgb	Hemoglobin
415	HHV	High Heating Value
416	HIC	Household And Industrial Chemical
417	HL	Half-Life
418	HL	Hydrogen Line
419	HLA	HyaLuronic Acid
420	HLB	Helium Light Band
421	HMF	HydroxyMethyl Furfural
422	HMW	High Molecular Weight
423	Ho	Holmium
424	HO	Hydroxyl radical
425	HOAc	Acetic Acid
426	HOMO	Highest Occupied Molecular Orbital
427	HOQS	Highest Occupied Quantum State
428	HP	High Pressure
429	hp	horsepower
430	HPHT	High Pressure/High Temperature
431	HPLC	High Pressure Liquid Chromatography
432	HPPT	High Pressure Phase Transformation
433	HPSV	High Pressure Sodium Vapor
434	Hr	Hour
435	HRA	Health Risk Assessment
436	Hs	Hassium
437	HS	Hidden States
438	HSAB	Hard and Soft Acids and Bases
439	HSV	High Shear Viscosity
440	HT	Heat Transport
441	HT	Heat Treated
442	HT	High Temperature
443	HTC	Heat Transfer Coefficient
444	HTGR	High Temperature Gas Reactor
445	HTH	High Test Hypochlorite
446	HTS	High Temperature Superconductor
447	HTST	High Temperature/Short Time
448	HV	High Viscosity
449	HV	High Voltage
450	HVLP	High Volume/Low Pressure
451	HY	High Yield
452	Hz	Hertz
453	HZT	HydroChloroThiazide
454	I	electrical current
455	I	Iodine
456	I	Isoleucine
457	i.i.d.	independent and identically distributed
458	IAEA	International Atomic Energy Agency
459	IAQ	Indoor Air Quality
460	IB	Ion Balance
461	IC	Ice Crystals
462	ICE	Initial, Change, Equilibrium
463	ICE	Internal Combustion Engine
464	ICP	Inductively Coupled Plasma
465	ICSC	International Chemical Safety Card
466	ICSD	Inorganic Crystal Structure Database
467	ICSN	Institut de Chimie des Substances Naturelles
468	IE	Inert Electrolyte
469	IE	Ionization Energy
470	IEA	International Energy Agency
471	IG	Inert Gas
472	iHOP	information Hyperlinked Over Proteins
473	IK	Inverse Kinematics
474	IMBR	Immersed Membrane BioReactor
475	IMF	InterMolecular Force
476	IMS	Industrial Methylated Spirit
477	In	Indium
478	InChI	International Chemical Identifier
479	IOC	InOrganic Contaminant
480	IOCB	Institute of Chemistry and Biochemistry
481	IOCM	International Organic Chemistry Meeting
482	IPA	IsoPropyl Alcohol
483	IQ	Iron Quality
484	IR	Incident Report
485	IR	InfraRed
486	IR	Ionizing Radiation
487	Ir	Iridium
488	IRM	Interference Reflection Microscopy
489	ISI	In-Situ Interfermometer ISM,Industrial, Scientific, or Medical
490	ISI	Initial State Interaction
491	IUPAC	International Union of Pure and Applied Chemistry
492	J	Joule
493	JAC	Journal of Analytical Chemistry
494	JAW	Just Add Water
495	JBC	Journal of Biological Chemistry
496	JCG	Journal of Crystal Growth
497	JCS	Journal of the Chemical Society
498	JOC	Journal of Organic Chemistry
499	k	Boltzmann constant
500	K	Karat
501	K	Kelvin
502	k	kilo prefix (102)
503	K	Potassium
504	Ka	Acid dissociation constant
505	Kd	Dissociation constant
506	KE	Kinetic Energy
507	Keq	Equilibrium constant
508	kg	kilogram
509	KGA	KetoGlutaric Acid
510	kHz	kilohertz
511	km	kilometer
512	KMT	Kinetic Molecular Theory
513	Kr	Krypton
514	KTM	Kinetic Thermal Mixing
515	kW	kilowatt
516	L	azimuthal quantum number
517	L	Inductance
518	L	Length
519	L	Leucine
520	L	liter
521	L	luminosity
522	Li	Lithium
523	LIBS	Laser Induced Breakdown Spectroscopy
524	LiP	Lithium Polymer battery
525	Liq	Liquid
526	LLD	Liquid Level Detection
527	LLE	Liquid-Liquid Equilibrium
528	LLNL	Lawrence Livermore National Laboratory
529	LMA	Low Moisture Absorption
530	LME	Liquid Metal Embrittlement
531	LMH	Liquid Hydrogen
532	LN	Liquid Nitrogen
533	ln	natural logarithm
534	LNG	Liquid Natural Gas
535	LO	Localized Orbitals
536	LOD	Loss On Drying
537	LOQ	Limit Of Quantification
538	LOX	Liquid Oxygen
539	LP	Liquid Petroleum
540	LP	Liquid Propane
541	LPA	Liquid Pressure Amplifier
542	LPG	Liquid Petroleum Gas
543	Lq	Liquid
544	Lqd	Liquid
545	Lr	Lawrencium
546	LSD	Lysergic Acid Diethylamide
547	LSE	Low Surface Energy
548	LT	Less Than
549	Lt	light
550	LT	Low Temperature
551	LTE	Local Thermodynamic Equilibrium
552	LTG	Liquid To Gas
553	LTOEL	Long Term Occupational Exposure Limit
554	Lu	Lutetium
555	LUMO	Lowest Unoccupied Molecular Orbital
556	LV	Low Volatility
557	LVS	Large Volume Sampler
558	Lw	Lawrencium (Changed to Lr)
559	LWC	Light Water Content
560	LWG	Liquid Water in Grams
561	M	concentration (Molarity)
562	m	mass
563	M	Mega prefix (106)
564	m	meter
565	M	Methyl
566	m	Milli prefix (10-3)
567	M	Molar
568	M	Molecule
569	M3/H	Cubic Meters per Hour
570	mA	milliampere
571	MAC	Mobile Analytical Chemical
572	MADG	Moisture Activated Dry Granulation
573	MAM	Methyl Azoxy Methanol
574	MASER	Microwave Amplification by Stimulated Emission of Radiation
575	MAX	MAXimum
576	mbar	millibar
577	MBBA	N-(4-MethoxyBenzylidene)-4-ButylAniline
578	MC	MethylCellulose
579	MCA	Multi Channel Analyzer
580	MCL	Maximum Contaminant Level
581	MCR	MultiComponent Reaction
582	MCT	Medium Chain Triglyceride
583	MCT	MonoCarboxylate Transporter
584	Md	Mendelevium
585	MDA	MethyleneDiAniline
586	MDCM	Mechanistically Defined Chemical Mixtures
587	MDI	Methylene Diphenyl diIsocyanate
588	MDMA	MethyleneDioxy-MethylAmphetamine
589	MDQ	Minimum Daily Quantity
590	me	mass of an electron
591	ME	Materials Engineering
592	ME	MEthyl group
593	MEE	Minimum Explosive Energy
594	MEG	MonoEthylene Glycol
595	MEL	MethylEthylLead
596	MES	MethylEthylSulfate
597	MeV	Million electronVolt or MegaelectronVolt
598	MF	Methyl Formate
599	MF	Micro Fiber
600	MFG	Molecular Frequency Generator
601	MFP	Maximum Freezing Point
602	MFP	Molecular Free Path
603	MFP	MonoFluoroPhosphate
604	Mg	Magnesium
605	mg	milligram
606	MGA	Modular Gas Analyser
607	MH	Metal Halide
608	MH	Methyl Hydroxide
609	MHz	MegaHertz
610	MIBK	MethylIsoButylKetone
611	MIDAS	Molecular Interactions Dynamics And Simulations
612	MIG	Metal Inert Gas
613	MIN	MINimum
614	min	minutes
615	MIT	MethylIsoThiazolinone
616	MKS	Meter-Kilogram-Second
617	MKSA	Meter-Kilogram-Second-Ampere
618	mL or ml	milliliter
619	ML	Mono Layer
620	mm	millimeter
621	MM	Molar Mass
622	mmHg	millimeters of mercury
623	Mn	Manganese
624	MNT	Molecular NanoTechnology
625	MO	Molecular Orbital
626	Mo	Molybdenum
627	MOAH	Mineral Oil Aromatic Hydrocarbon
628	MOH	Measurement of Hardness
629	mol	mole
630	MOL	molecule
631	MP	Melting Point
632	MP	Metal Particulate
633	MPD	2-Methyl-2,4-PentaneDiol
634	MPD	m-PhenyleneDiamine
635	MPH	Miles Per Hour
636	MPS	Meters Per Second
637	Mr	Relative Molecular mass
638	MRT	Mean Radiant Temperature
639	MS	Mass Spectrometry
640	ms	millisecond
641	MSDS	Material Safety Data Sheet
642	MSG	MonoSodium Glutamate
643	Mt	Meitnerium
644	MTBE	Methyl Tert-butyl Ether
645	MW	MegaWatt
646	mW	MilliWatt
647	MW	Molecular Weight
648	MWCNT	Multi-Walled Carbon NanoTube
649	MWCO	Molecular Weight CutOff
650	MWM	Molecular Weight Marker
651	n	nano prefix (10-9)
652	n	neutron
653	n	neutron emission
654	N	Newton
655	N	Nitrogen
656	N	Normal (concentration)
657	n	number of moles
658	n0	neutron
659	NA	Avogadro constant
660	NA	Not Active
661	NA	Nucleic Acid
662	Na	Sodium
663	NAA	N-AcetylasPartate
664	NAA	Naphtalic Acetic Acid
665	NAC	Naphthenic Acid Corrosion
666	NAD+	Nicotinamide Adenine Dinucleotide
667	NADH	Nicotinamide Adenine Dinucleotide,Hydrogen (reduced)
668	NADP	Nicotinamide Adenine Dinucleotide Phosphate
669	NAS	National Academy of Science
670	Nb	Niobium
671	NBO	Natural Bond Orbital
672	NCE	New Chemical Entity
673	NCEL	New Chemical Exposure Limit
674	NCR	No Carbon Required
675	NCW	National Chemistry Week
676	Nd	Neodymium
677	Ne	Neon
678	NE	Non Equilibrium
679	NE	Nuclear Energy
680	NG	Natural Gas
681	NHE	Normalized Hydrogen Electrode
682	Ni	Nickel
683	NIH	National Institutes of Health
684	NiMH	Nickel Metal Halide
685	NIST	National Institute of Standards and Technology
686	nm	nanometer
687	NM	Non Metal
688	NMR	Nuclear Magnetic Resonance
689	NNK	Nicotine-derived Nitrosamine Ketone
690	No	Nobelium
691	NOAA	National Oceanic and Atmospheric Administration
692	NORM	Naturally Occurring Radioactive Material
693	NOS	Nitric Oxide Synthase
694	NOS	Nitrous Oxide
695	NOx	Nitrogen Oxides
696	Np	Neptunium
697	NR	Not Recorded
698	NS	Not Significant
699	NU	Natural Uranium
700	NV	Non-Volatile
701	NVC	Non-Volatile Chemical
702	NVOC	Non–Volatile Organic Chemical
703	NW	Nuclear Weapon
704	O	Oxygen
705	O3	Ozone
706	OA	Oleic Acid
707	OAA	OxaloAcetic Acid
708	OAc	Acetoxy functional group
709	OAM	Orbital Angular Momentum
710	OB	Oligosaccharide Binding
711	OC	Organic Carbon
712	OD	Optical Density
713	OD	Oxygen Demand
714	ODC	Ornithine DeCarboxylase
715	OER	Oxygen Enhancement Ratio
716	OF	Oxygen Free
717	OFC	Oxygen Free Copper
718	OFHC	Oxygen Free High thermal Conductivity
719	OH	alcohol
720	OH	hydroxide
721	OH	hydroxyl functional group
722	OI	Oxygen Index
723	OILRIG	Oxygen Is Losing, Reduction Is Gaining
724	OM	Organic Matter
725	ON	Oxidation Number
726	OP	Organophosphate
727	OQS	Occupied Quantum State
728	OR	Oxidation-Reduction
729	ORNL	Oak Ridge National Laboratory
730	ORP	Oxidation-Reduction Potential
731	ORR	Oxidation-Reduction Reaction
732	Os	Osmium
733	OSHA	Occupational Safety and Health Administration
734	OSL	Optically Stimulated Luminescence
735	OTA	OchraToxin A
736	OV	Organic Vapor
737	OVA	Organic Vapor Analyser
738	OVA	OVAlbumin
739	OWC	Oil-Water Contact
740	OX	Oxidation
741	OX	oxygen
742	OXA	OXanilic Acid
743	OXT	OXyTocin
744	OXY	Oxygen
745	p+	Proton
746	P	Peta prefix (1015)
747	P	Phosphorus
748	p	pico prefix (10-12)
749	P	Pressure
750	P	Proton
751	Pa	Pascal
752	PA	Phosphatidic Acid
753	Pa	Protactinium
754	PA	Proton Affinity
755	PAA	PolyAcrylic Acid
756	PABA	ParaAminoBenzoic Acid
757	PAC	Pharmaceutically Active Compound
758	PAC	Polycyclic Aromatic Content
759	PAC	Powdered Activated Carbon
760	PAEK	PolyArylEtherKetone
761	PAGE	PolyAcrylamide Gel Electrophoresis
762	PAH	Polycyclic Aromatic Hydrocarbon
763	PAI	PolyAmide Imide
764	PAO	PolyAlphaOlefin
765	Pb	Lead
766	PB	PolyButylene
767	PBB	PolyBrominated Biphenyl
768	PBD	PolyButaDiene
769	PBI	PolyBenzImidazole
770	PBN	PolyButylene Naphthalate
771	PBS	Phosphate Buffered Saline
772	PBT	PolyButylene Terephthalate
773	PC	PolyCarbonate
774	PC	Pyruvate Carboxylase
775	PCA	Pyrrolidone Carboxylic Acid
776	PCC	Pyridine Chloro Chromate
777	PCE	Tetrachloroethylene
778	PCR	Polymerase Chain Reaction
779	PCV	Pressure Control Valve
780	Pd	Palladium
781	PD	Positive Displacement
782	PD	Potential Difference
783	PE	PhycoErythrin
784	PE	Polyethylene
785	PE	Potential Energy
786	PEA	PolyEster Amine
787	PEEK	PolyEtherEtherKetone
788	PEG	PolyEthylene Glycol
789	PEK	Poly Ether Ketone
790	PEL	Permissible Exposure Limit
791	PERC	Tetrachloroethylene
792	PES	PolyEtherSulfone
793	PET	PolyEthylene Terephthalate
794	PETP	PolyEthyleneTerePhthalate
795	PEX	Cross-linked PolyEthylene
796	PFC	Perfluorocarbon
797	pg	picogram
798	PG	Propylene Glycol
799	PG	Prostaglandin
800	PGA	3-PhosphoGlyceric Acid
801	PGA	PolyGlutamic Acid
802	PGE	Platinum Group Elements
803	PGM	Platinum Group Metals
804	pH	measurement of H+ ions in aqueous solution
805	PH	Phenol functional group
806	PHA	PolyHydroxyAlkanoate
807	PHB	PolyHydroxyButyrate
808	PHC	Petroleum HydroCarbon
809	PHMB	PolyHexaMethyleneBiguanide
810	PHT	PHThalate
811	PI	Phosphate Ion
812	PI	PolyImide
813	PIB	PolyIsoButylene
814	pK	measurement of the dissociation constant
815	PLA	Polymerized Lactic Acid
816	PLC	PhosphoLipase-C
817	PM	Particulate Matter
818	PM	Photo Multiplier
819	pm	picometer
820	PM	Plasma Membrane
821	PM	Powder Metallurgy
822	Pm	Promethium
823	PM10	Particulates smaller than 10 μm.
824	PM3	Parameterized Model number 3
825	PMA	PhosphoMolybdic Acid
826	PMA	PolyMethyl Acrylate
827	PMID	PubMed IDentifier
828	PMMA	PolyMethylMethAcrylate
829	PMO	PolyMethylene Oxide
830	PNPA	PolyNucleotide Phosphorylase A
831	PNPB	PolyNucleotide Phosphorylase B
832	Po	Polonium
833	POC	Polar Organic Contaminant
834	pOH	measurement of OH- ions in aqueous solution
835	POP	Persistent Organic Pollutant
836	PORC	Porcelain
837	PPA	PhenylPropanolAmine
838	PPA	PolyPhthalAmide
839	PPB	Parts Per Billion
840	PPM	Parts Per Million
841	PPO	PolyPhenylene Oxide
842	PPS	PolyPhenylene Sulfide
843	PPT	Parts Per Trillion
844	PPT	PolyPyrimidine Tract
845	PPT	Precipitate
846	Pr	Praseodymium
847	PRV	Pressure Relief Valve
848	PSI	Pounds per Square Inch
849	PSV	Pressure Safety Valve
850	Pt	Platinum
851	PTFE	PolyTetraFluoroEthylene
852	Pu	Plutonium
853	PU	PolyUrethane
854	PV	Parity Violation
855	PV	Pressure Volume
856	PVC	PolyVinyl Chloride
857	PVT	Pressure, Volume, Temperature
858	PXY	Para-XYlene
859	Q	Heat energy
860	QA	Quinolinic Acid
861	QC	Quality Control
862	QCD	Quantum ChromoDynamics
863	QED	Quantum ElectroDynamics
864	QED	Quod Erat Demonstradum (Latin for “which was to be demonstrated”)
865	QM	Quantum Mechanics
866	QS	Quantum State
867	QS	Quantum Sufficit (Latin for “as much as needed”)
868	qt	quart
869	QW	Quit Whining
870	QY	Quantum Yield
871	R	Arginine amino acid
872	R	Chiral center for R/S system
873	R	functional group or side chain of atoms variable
874	R	Ideal Gas Constant
875	R	Reactive
876	R	Redux
877	R	Resistance
878	R	Rydberg Constant
879	R	Röntgen unit
880	Ra	Radium
881	RA	Retinoic Acid
882	RACHEL	Remote Acess Chemical Hazards Electronic Library
883	rad	Radiation, Absorbed Dose
884	rad	radian
885	Rad	Radioactive
886	Rb	Rubidium
887	RBA	Rutherford Backscattering Analysis
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	RPM	Revolutions Per Minute
929	RPT	Repeat
930	RSC	Royal Society of Chemistry
931	RT	Energy (Rydberg Constant x Temperature)
932	RT	Reverse Transcriptase
933	RT	Room Temperature
934	RTM	Read The Manual
935	RTP	Room Temperature and Pressure
936	RTSC	Room Temperature Super Conductor
937	Ru	Ruthenium
938	S	Entropy
939	s	seconds
940	s	solid
941	s	spin quantum number
942	S	Sulfur
943	SA	Salicylic Acid
944	SA	Surface Area
945	SAC	S-Allyl Cysteine
946	SAC	Strong Acid Cation
947	sal	salt (Latin)
948	SAM	S-Adenosyl Methionine
949	SAM	Spin Angular Momentum
950	SAN	Styrene-AcryloNitrile
951	SAP	Super Absorbent Polymer
952	SAQ	Soluable AnthraQunone
953	SAS	Small Angle Scattering
954	SATP	Standard Ambient Temperature and Pressure
955	Sb	Antimony
956	SB	Solvent Based
957	SBA	Strong Base Anion
958	SBC	Styrene Butadiene Copolymer
959	SBR	Sequencing Batch Reactor
960	SBS	Styrene Butadiene Styrene
961	Sc	Scandium
962	SC	Silicon Carbide
963	SCBA	Specific Chemical and Biologic Agents
964	SCC	Stress Corrosion Cracking
965	Sci	Science
966	SCN	Thiocyanate
967	SCO	Super Charged Oxygen
968	SCS	Single Crystal Silicon
969	SCU	SCoville Units
970	SCVF	Single Chamber Vacuum Furnace
971	SCW	Super Critical Water
972	SCX	Strong Cation eXchanger
973	SDMS	Scientific Data Management System
974	SDV	Shut Down Valve
975	SDW	Spin Density Wave
976	SE	Sample Error
977	Se	Selenium
978	Sec	Seconds
979	SEP	Separate
980	SEU	Slightly Enriched Uranium
981	SF	Safety Factor
982	SF	Significant Figures
983	SFC	Supercritical Fluid Chromatography
984	SFPM	Suspended Fine Particulate Matter
985	Sg	Seaborgium
986	SG	Specific Gravity
987	SG	Spheroidal Graphite
988	SH	Thiol functional group
989	SHC	Synthetic HydroCarbon
990	SHE	Standard Hydrogen Electrode
991	SHF	Super High Frequency
992	SI units	Système international d’unités (International System of Units)
993	Si	Silicon
994	SL	Sea Level
995	SL	Short Lived
996	SLI	Solid-Liquid Interface
997	SLP	Sea Level Pressure
998	Sm	Samarium
999	SM	Semi-Metal
1000	SM	Standard Model
1001	SMILES	Simplified Molecular Input Line Entry System
1002	SN	Sodium Nitrate
1003	Sn	Tin
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	TDP	Thermal DePolymerization
1069	TDP	Thiamine DiPhosphate
1070	TDP	Thymidine DiPhosphate
1071	Te	Tellurium
1072	TEA	Terminal Electron Acceptor
1073	TEC	Thermal Electric Cooler
1074	TEL	Tetra Ethyl Lead
1075	TFM	Total Fatty Matter
1076	Th	Thorium
1077	THC	Tetra Hydra Cannabinol
1078	THM	TriHaloMethanes
1079	TI	Thermal Index
1080	Ti	Titanium
1081	TIC	Total Ion Current
1082	TIMS	Thermal Ionization Mass Spectroscopy
1083	TIP	TrisIsopropyl Phenyl
1084	Tl	Thallium
1085	TLC	Thin Layer Chromatography
1086	TLV	Toxic Level Value
1087	Tm	Thulium
1088	TM	Transition Metal
1089	TMD	Theoretical Maximum Density
1090	TMG	TriMethylGlycine
1091	TMMA	TetraMethylMalonAmide
1092	TMP	TriMethylPhosphate
1093	TMS	TriMethylSilane
1094	TNB	TriNitroBenzene
1095	TNS	Test No Ether
1096	TNT	TriNitroToluene
1097	TOBSY	Total ThroughBond Correlation Spectroscopy
1098	TOC	Total Organic Carbon
1099	TOI	Table Of Isotopes
1100	TON	Table Of Nuclides
1101	TOX	Toxic
1102	TP	Transition Point
1103	TP	Triple Point
1104	TPE	ThermoPlastic Elastomer
1105	TPM	Total Particulate Matter
1106	TR	Table Row
1107	TRAP	Tartrate Resistant Acid Phosphatase
1108	TRFM	Time Resolved Fluorescence Microscopy
1109	TRP	Tryptophan
1110	TS	Temperature Sensitive
1111	TSCB	TriSilaCycloButane
1112	TSP	Thermally Stable Polycrystalline
1113	TSP	TriSodium Phosphate
1114	TSPM	Total Suspended Particulate Matter
1115	TSS	Total Soluble Solids
1116	TST	Transitional State Theory
1117	TT	Test Tube
1118	TTC	Triphenyl Tetrazolium Chloride
1119	TTFD	Thiamine TetraHydroFurfurylDisulfide
1120	TTLC	Total Threshold Limit Concentration
1121	TTO	Total Toxic Organics
1122	TTP	Thymine TriPhosphate
1123	TTX	Tetrodotoxin
1124	TU	Thermally Unbound
1125	TWMC	Time Weighted Mean Concentration
1126	TWV	Total Water Vapor
1127	U	Internal Energy
1128	U	Undetectable
1129	U	Uranium
1130	UAFM	Uranyl Acetate Fluorescence Method
1131	UCK	Universal Chemical Key
1132	UHF	Ultra High Frequency
1133	UHMW	Ultra High Molecular Weight
1134	UHP	Ultra High Pressure
1135	UHP	Ultra High Purity
1136	UHT	Ultra High Temperature
1137	UHV	Ultra High Vacuum
1138	ULG	Universal Liquid Gas
1139	ULO	Ultra Low Oxygen
1140	ULOQ	Upper Limit Of Quantitation
1141	ULS	Ultra Low Sulfur
1142	ULT	Ultra Low Temperature
1143	UNK	UNKnown
1144	UPW	Ultra Pure Water
1145	UQY	Ultimate Quality and Yield
1146	UUH	UnUnHexium (Element 116)
1147	UUO	UnUnOctium (Element 118)
1148	UUP	UnUnPentium (Element 115)
1149	UUQ	UnUnQuadium (Element 114)
1150	UUS	UnUnSeptium (Element 117)
1151	UUU	UnUnUnium (Element 111, now Rg)
1152	UV	UltraViolet
1153	UV-A	UltravViolet band A
1154	UV-B	UltraViolet band B
1155	UVA	UltraViolet band A
1156	UVB	UltraViolet band B
1157	UVF	UtraViolet Filter
1158	UVL	UltraViolet Lamp
1159	UVR	UltraViolet Reactive
1160	UXS	Glucuronic Acid DeCarboxylase
1161	UYQ	Uranium Yield Quantity
1162	V	Vacuum
1163	V	Valene
1164	V	Vanadium
1165	v	velocity
1166	V	Volt
1167	V	Volume
1168	VA	Nitrogen group
1169	VA	Volume Analyzer
1170	VAC	Vacuum
1171	VAC	Vacuum Assisted Closure
1172	VB	Vacuum Break
1173	VB	Valence Band
1174	VBJ	Vacuum Bell Jar
1175	VBT	Valence Bond Theory
1176	VC	Vapor Cloud
1177	VC	Vinyl Chloride
1178	VC	Viscous Coupled
1179	VCE	Vapor Cloud Explosion
1180	VCM	Vinyl Chloride Monomer
1181	Vd	Volume distribution
1182	VDB	VanDyke Brown test
1183	VDF	Van der Waals force
1184	VDW	Van der Waals radius
1185	VEQ	EQuilibrium Volume
1186	VEQ	EQuivalence point Volume
1187	VFn	Vertical Face number (n is a number)
1188	VH	Vapor Hazard
1189	VHH	Volatile Halogenated Hydrocarbon
1190	VHI	Vapor Hazard Index
1191	VHN	Vickers Hardness Number
1192	VHP	Vaporized Hydrogen Peroxide
1193	VHP	Very High Pressure
1194	VHT	Very High Temperature
1195	VHY	Very High Yield
1196	VI	Viscosity Index
1197	VLD	Vacuum Leak Detector
1198	VLE	Vapor Liquid Equilibrium
1199	VMD	Visual Molecular Dynamics
1200	VO	Vacuum Oven
1201	VOA	Volatile Organic Analysis
1202	VOC	Volatile Organic Compound
1203	VOL	Volume
1204	VP	Vapor Point
1205	VP	Vapor Pressure
1206	VPE	Virtual Potential Energy
1207	VR	Very Rapid
1208	VS	Very Saturated
1209	VS	Volatile Solid
1210	VSC	Volatile Sulfur Compound
1211	VSS	Volatile Suspended Solid
1212	VTC	Variable Temperature Cutoff
1213	VU	Volume Units
1214	VV	Vacuum Vessel
1215	VV	Valence-Valence
1216	VW	Varies Widely
1217	W	Tryptofan
1218	W	Tungsten
1219	W	Watt
1220	W	wavelength
1221	W	Weight
1222	W	width
1223	W	Work
1224	W5	Which Was What We Wanted
1225	WA	Weak Acid
1226	WAC	Weak Acid Cation
1227	WB	Water Based
1228	WB	Weak Base
1229	WB	Weak Bond
1230	WBA	Weak Base Anion
1231	WC	Water Cosolvent
1232	WCS	Worst Case Scenario
1233	WD	Water Dispersant
1234	WD	Water Displacement
1235	WD	Wet/Dry
1236	WIAP	Water In All Phases
1237	WIN	Water Insoluble Nitrogen
1238	WNA	World Nuclear Association
1239	WO	Weak Oxidizer
1240	WP	White Phosphorus
1241	WPS	Water Phase Salt
1242	WR	Water Repellent
1243	WS	Wash Solution
1244	WS	Water Soluble
1245	WSNZ	Water Soluble Zinc
1246	WSS	Water Soluble Stabilizer
1247	WST	Weighted Settling Time
1248	WV	Water Vapor
1249	WVDA	Water Vapor Diffusion Analysis
1250	WVM	Water Vapor Monitor
1251	WVN	Water Vapor Nitrogen
1252	WVP	Water Vapor Permeability
1253	WVT	Water Vapor Transport
1254	WW	Waste Water
1255	WWIX	Waste Water Ion eXchange
1256	WYOL	Write Your Own Lab
1257	WYOLA	Write Your Own Lab Assignment
1258	WYU	What You Use
1259	X	Halogen
1260	X	unknown
1261	XAG	Silver Troy Ounce
1262	XAN	XANthine
1263	XAU	Gold Troy Ounce
1264	XDB	eXtra Dense Bonding
1265	Xe	Xenon
1266	XLS	Xenon Light Source
1267	XOD	Xanthine Oxidase
1268	XPD	Palladium Troy Ounce
1269	XPT	Platinum Troy Ounce
1270	XUM	X-ray Ultra-Microscope
1271	XYD	XYliDine
1272	Y	Tyrosine
1273	y	yocto prefix (10-24)
1274	Y	Yotta prefix (1024)
1275	Y	Yttrium
1276	YA	Yield Analysis
1277	YAG	Yttrium Aluminum Garnet
1278	YAP	Yield Analysis Pattern
1279	Yb	Ytterbium
1280	YBCO	Yttrium Barium Copper Oxide
1281	YBG	Your Best Guess
1282	YCC	American Chemical Society Younger Chemists Committee
1283	Yd	Yard
1284	YIC	Yttrium Lithium Fluoride
1285	Yr	Year
1286	YZN	Yellow ZiNc dichromate
1287	Z	Atomic Number
1288	Z	azimuth
1289	Z	Impedance
1290	Z	proton number
1291	z	zepto prefix (10-21)
1292	Z	zero
1293	Z	Zetta prefix (1021)
1294	ZB	Zinc Blende
1295	ZC	Zero Calibration
1296	ZC	Zinc Composite
1297	ZCG	Zeolite Crystal Growth
1298	ZCR	Zinc Chromium
1299	ZCS	Zinc Coated Steel
1300	ZDC	Zero Degrees Kelvin
1301	ZE	Zone Electrophoresis
1302	ZEKE	Zero Electron Kinetic Energy
1303	ZG	Zero Gravity
1304	ZINC	Zinc Is Not Copper
1305	ZK	Zero Kelvin
1306	Zn	Zinc
1307	ZO	Zinc Oxide
1308	ZP	Zero Pressure
1309	Zr	Zirconium
1310	ZRE	Zinc Responsive Element