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