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
320	Ga	Gauge
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
327	GCC	Global Climate Change
328	GCC	Glucocorticoid
329	GCC	Guanylyl Cyclase C
330	GCMS	Gas Chromatographic Mass Spectrometer
331	Gd	Gadolinium
332	GDP	Guanosine DiPhosphate
333	GE	Genetic Engineering
334	Ge	Germanium
335	GE	Group Element
336	Gel	Gelatin
337	GEM	Genetically Engineered Microorganism
338	GEP	Good Engineering Practice
339	GER	Gains Electrons,Reduction
340	GFM	Gram Formula Mass
341	GFW	Gram Formula Weight
342	GHB	Gamma-Hydroxy Butyrate
343	GI	Galvanized Iron
344	GI	Glycemic Index
345	GLA	GaLactosidase Alpha
346	GLA	Gamma-caroxyglutamic Acid
347	GLA	Gamma-Linolenic Acid
348	GLC	Gas Liquid Chromatography
349	Glc	Glucose
350	Glk	Glucokinase
351	GM	Geiger-Mueller tube
352	GMM	Gram Molecular Mass
353	GP	Gas Phase
354	GP	Glycerate 3-Phosphate
355	GP	GlycoProtein
356	GPC	Gel Permeation Chromatography
357	GS	Guanosine Synthetase
358	GT	Greater Than
359	GTL	Gas To Liquid
360	GTN	Glyceryl TriNitrate
361	Gy	Gray (radiation unit)
362	H	Enthalpy, Hydrogen
363	h	hecto prefix (102), Planck’s constant, convection heat transfer coefficient
364	H2	Chemical formula for hydrogen gas (dihydrogen)
365	H2O	Chemical symbol for water - each molecule of water contains two atoms of hydrogen (H) joined to a single atom of oxygen (O)
366	Ha	Hahnium (initial name for dubnium)
367	HA	Hemagglutinin
368	HAA	HaloAcetic Acid
369	HAc	Acetaldehyde
370	HAc	Acetic Acid
371	HACCP	Hazard Analysis and Critical Control Points
372	HAP	Hazardous Air Pollutant
373	HAS	Helium Atom Scattering
374	HAS	HyAluronan Synthase
375	HAT	Hypoxanthine, Aminopterin, Thymidine
376	HAZMAT	HAZardous MATerials
377	Hb	Hemoglobin
378	HB	Hydrogen Bonded
379	HBC	Hemoglobin C
380	HBCD	HexaBromoCycloDodecane
381	HBD	Hydrogen Bond Donor
382	HC	HydroCarbon
383	HCA	HydroxyCarbonate Apatite
384	HCA	HydroxyCitric Acid
385	HCB	HexaChloroBenzene
386	HCFC	HydroChloroFluoroCarbon
387	HDA	High Density Amorphous ice
388	HDA	HydroxyDecanoic Acid
389	HDI	Hexamethylene DiIsocyanate
390	HE	Hektoen Enteric agar
391	He	Helium
392	HE	High Explosive
393	HEA	Hektoen Enteric Agar
394	HEK	HEKtoen enteric agar
395	HEL	High Energy Laser
396	HEMA	HydroxyEthylMethAcrylate
397	HEP	Half Equivalence Point
398	HEPA	High-Efficiency Particulate Air
399	HEPH	Heavy Extractable Petroleum Hydrocarbons
400	HEU	Highly Enriched Uranium
401	Hf	Hafnium
402	HF	Hartree-Fock Method
403	HF	Heat Flux
404	HF	High Frequency
405	HF	Hydrogen Fuel
406	HFA	HydroFluoroAlkane
407	HFB	HexaFluoroBenzene
408	HFC	HydroFluoroCarbon
409	HFLL	Half-Filled Landau Level
410	HFP	HexaFluoroPropylene
411	Hg	Mercury
412	Hgb	Hemoglobin
413	HHV	High Heating Value
414	HIC	Household And Industrial Chemical
415	HL	Half-Life
416	HL	Hydrogen Line
417	HLA	HyaLuronic Acid
418	HLB	Helium Light Band
419	HMF	HydroxyMethyl Furfural
420	HMW	High Molecular Weight
421	Ho	Holmium
422	HO	Hydroxyl radical
423	HOAc	Acetic Acid
424	HOMO	Highest Occupied Molecular Orbital
425	HOQS	Highest Occupied Quantum State
426	HP	High Pressure
427	HPHT	High Pressure/High Temperature
428	HPLC	High Pressure Liquid Chromatography
429	HPPT	High Pressure Phase Transformation
430	HPSV	High Pressure Sodium Vapor
431	Hr	Hour
432	HRA	Health Risk Assessment
433	Hs	Hassium
434	HS	Hidden States
435	HSAB	Hard and Soft Acids and Bases
436	HSV	High Shear Viscosity
437	HT	Heat Transport
438	HT	Heat Treated
439	HT	High Temperature
440	HTC	Heat Transfer Coefficient
441	HTGR	High Temperature Gas Reactor
442	HTH	High Test Hypochlorite
443	HTS	High Temperature Superconductor
444	HTST	High Temperature/Short Time
445	HV	High Viscosity
446	HV	High Voltage
447	HVLP	High Volume/Low Pressure
448	HY	High Yield
449	Hz	Hertz
450	HZT	HydroChloroThiazide
451	I	electrical current
452	I	Iodine
453	I	Isoleucine
454	i.i.d.	independent and identically distributed
455	IAEA	International Atomic Energy Agency
456	IAQ	Indoor Air Quality
457	IB	Ion Balance
458	IC	Ice Crystals
459	ICE	Initial, Change, Equilibrium, or: Internal Combustion Engine
460	ICP	Inductively Coupled Plasma
461	ICSC	International Chemical Safety Card
462	ICSD	Inorganic Crystal Structure Database
463	ICSN	Institut de Chimie des Substances Naturelles
464	IE	Inert Electrolyte
465	IE	Ionization Energy
466	IG	Inert Gas
467	iHOP	information Hyperlinked Over Proteins
468	IK	Inverse Kinematics
469	IMBR	Immersed Membrane BioReactor
470	IMF	InterMolecular Force
471	IMS	Industrial Methylated Spirit
472	In	Indium
473	InChI	International Chemical Identifier
474	IOC	InOrganic Contaminant
475	IOCB	Institute of Chemistry and Biochemistry
476	IOCM	International Organic Chemistry Meeting
477	IPA	IsoPropyl Alcohol
478	IQ	Iron Quality
479	IR	Incident Report
480	IR	InfraRed
481	IR	Ionizing Radiation
482	Ir	Iridium
483	IRM	Interference Reflection Microscopy
484	ISI	In-Situ Interfermometer ISM,Industrial, Scientific, or Medical
485	ISI	Initial State Interaction
486	IUPAC	International Union of Pure and Applied Chemistry
487	J	Joule
488	JAC	Journal of Analytical Chemistry
489	JAW	Just Add Water
490	JBC	Journal of Biological Chemistry
491	JCG	Journal of Crystal Growth
492	JCS	Journal of the Chemical Society
493	JOC	Journal of Organic Chemistry
494	k	Boltzmann constant
495	K	Karat
496	K	Kelvin
497	k	kilo prefix (102)
498	K	Potassium
499	Ka	Acid dissociation constant
500	Kd	Dissociation constant
501	KE	Kinetic Energy
502	Keq	Equilibrium constant
503	kg	kilogram
504	KGA	KetoGlutaric Acid
505	kHz	kilohertz
506	km	kilometer
507	KMT	Kinetic Molecular Theory
508	Kr	Krypton
509	KTM	Kinetic Thermal Mixing
510	kW	kilowatt
511	L	azimuthal quantum number
512	L	Inductance
513	L	Length
514	L	Leucine
515	L	liter
516	L	luminosity
517	Li	Lithium
518	LIBS	Laser Induced Breakdown Spectroscopy
519	LiP	Lithium Polymer battery
520	Liq	Liquid
521	LLD	Liquid Level Detection
522	LLE	Liquid-Liquid Equilibrium
523	LLNL	Lawrence Livermore National Laboratory
524	LMA	Low Moisture Absorption
525	LME	Liquid Metal Embrittlement
526	LMH	Liquid Hydrogen
527	LN	Liquid Nitrogen
528	ln	natural logarithm
529	LNG	Liquid Natural Gas
530	LO	Localized Orbitals
531	LOD	Loss On Drying
532	LOQ	Limit Of Quantification
533	LOX	Liquid Oxygen
534	LP	Liquid Petroleum
535	LP	Liquid Propane
536	LPA	Liquid Pressure Amplifier
537	LPG	Liquid Petroleum Gas
538	Lq	Liquid
539	Lqd	Liquid
540	Lr	Lawrencium
541	LSD	Lysergic Acid Diethylamide
542	LSE	Low Surface Energy
543	LT	Less Than
544	Lt	light
545	LT	Low Temperature
546	LTE	Local Thermodynamic Equilibrium
547	LTG	Liquid To Gas
548	LTOEL	Long Term Occupational Exposure Limit
549	Lu	Lutetium
550	LUMO	Lowest Unoccupied Molecular Orbital
551	LV	Low Volatility
552	LVS	Large Volume Sampler
553	Lw	Lawrencium (Changed to Lr)
554	LWC	Light Water Content
555	LWG	Liquid Water in Grams
556	M	concentration (Molarity)
557	m	mass
558	M	Mega prefix (106)
559	m	meter
560	M	Methyl
561	m	Milli prefix (10-3)
562	M	Molar
563	M	Molecule
564	M3/H	Cubic Meters per Hour
565	mA	milliampere
566	MAC	Mobile Analytical Chemical
567	MADG	Moisture Activated Dry Granulation
568	MAM	Methyl Azoxy Methanol
569	MASER	Microwave Amplification by Stimulated Emission of Radiation
570	MAX	MAXimum
571	mbar	millibar
572	MBBA	N-(4-MethoxyBenzylidene)-4-ButylAniline
573	MC	MethylCellulose
574	MCA	Multi Channel Analyzer
575	MCL	Maximum Contaminant Level
576	MCR	MultiComponent Reaction
577	MCT	Medium Chain Triglyceride
578	MCT	MonoCarboxylate Transporter
579	Md	Mendelevium
580	MDA	MethyleneDiAniline
581	MDCM	Mechanistically Defined Chemical Mixtures
582	MDI	Methylene Diphenyl diIsocyanate
583	MDMA	MethyleneDioxy-MethylAmphetamine
584	MDQ	Minimum Daily Quantity
585	me	mass of an electron
586	ME	Materials Engineering
587	ME	MEthyl group
588	MEE	Minimum Explosive Energy
589	MEG	MonoEthylene Glycol
590	MEL	MethylEthylLead
591	MES	MethylEthylSulfate
592	MeV	Million electronVolt or MegaelectronVolt
593	MF	Methyl Formate
594	MF	Micro Fiber
595	MFG	Molecular Frequency Generator
596	MFP	Maximum Freezing Point
597	MFP	Molecular Free Path
598	MFP	MonoFluoroPhosphate
599	Mg	Magnesium
600	mg	milligram
601	MGA	Modular Gas Analyser
602	MH	Metal Halide
603	MH	Methyl Hydroxide
604	MHz	MegaHertz
605	MIBK	MethylIsoButylKetone
606	MIDAS	Molecular Interactions Dynamics And Simulations
607	MIG	Metal Inert Gas
608	MIN	MINimum
609	min	minutes
610	MIT	MethylIsoThiazolinone
611	MKS	Meter-Kilogram-Second
612	MKSA	Meter-Kilogram-Second-Ampere
613	mL or ml	milliliter
614	ML	Mono Layer
615	mm	millimeter
616	MM	Molar Mass
617	mmHg	millimeters of mercury
618	Mn	Manganese
619	MNT	Molecular NanoTechnology
620	MO	Molecular Orbital
621	Mo	Molybdenum
622	MOAH	Mineral Oil Aromatic Hydrocarbon
623	MOH	Measurement of Hardness
624	mol	mole
625	MOL	molecule
626	MP	Melting Point
627	MP	Metal Particulate
628	MPD	2-Methyl-2,4-PentaneDiol
629	MPD	m-PhenyleneDiamine
630	MPH	Miles Per Hour
631	MPS	Meters Per Second
632	Mr	Relative Molecular mass
633	MRT	Mean Radiant Temperature
634	MS	Mass Spectrometry
635	ms	millisecond
636	MSDS	Material Safety Data Sheet
637	MSG	MonoSodium Glutamate
638	Mt	Meitnerium
639	MTBE	Methyl Tert-butyl Ether
640	MW	MegaWatt
641	mW	MilliWatt
642	MW	Molecular Weight
643	MWCNT	Multi-Walled Carbon NanoTube
644	MWCO	Molecular Weight CutOff
645	MWM	Molecular Weight Marker
646	n	nano prefix (10-9)
647	n	neutron
648	n	neutron emission
649	N	Newton
650	N	Nitrogen
651	N	Normal (concentration)
652	n	number of moles
653	n0	neutron
654	NA	Avogadro constant
655	NA	Not Active
656	NA	Nucleic Acid
657	Na	Sodium
658	NAA	N-AcetylasPartate
659	NAA	Naphtalic Acetic Acid
660	NAC	Naphthenic Acid Corrosion
661	NAD+	Nicotinamide Adenine Dinucleotide
662	NADH	Nicotinamide Adenine Dinucleotide,Hydrogen (reduced)
663	NADP	Nicotinamide Adenine Dinucleotide Phosphate
664	NAS	National Academy of Science
665	Nb	Niobium
666	NBC	Nuclear, Biological, Chemical
667	NBO	Natural Bond Orbital
668	NCE	New Chemical Entity
669	NCEL	New Chemical Exposure Limit
670	NCR	No Carbon Required
671	NCW	National Chemistry Week
672	Nd	Neodymium
673	Ne	Neon
674	NE	Non Equilibrium
675	NE	Nuclear Energy
676	NG	Natural Gas
677	NHE	Normalized Hydrogen Electrode
678	Ni	Nickel
679	NIH	National Institutes of Health
680	NiMH	Nickel Metal Halide
681	NIST	National Institute of Standards and Technology
682	nm	nanometer
683	NM	Non Metal
684	NMR	Nuclear Magnetic Resonance
685	NNK	Nicotine-derived Nitrosamine Ketone
686	No	Nobelium
687	NOAA	National Oceanic and Atmospheric Administration
688	NORM	Naturally Occurring Radioactive Material
689	NOS	Nitric Oxide Synthase
690	NOS	Nitrous Oxide
691	NOx	Nitrogen Oxides
692	Np	Neptunium
693	NR	Not Recorded
694	NS	Not Significant
695	NU	Natural Uranium
696	NV	Non-Volatile
697	NVC	Non-Volatile Chemical
698	NVOC	Non–Volatile Organic Chemical
699	NW	Nuclear Weapon
700	O	Oxygen
701	O3	Ozone
702	OA	Oleic Acid
703	OAA	OxaloAcetic Acid
704	OAc	Acetoxy functional group
705	OAM	Orbital Angular Momentum
706	OB	Oligosaccharide Binding
707	OC	Organic Carbon
708	OD	Optical Density
709	OD	Oxygen Demand
710	ODC	Ornithine DeCarboxylase
711	OER	Oxygen Enhancement Ratio
712	OF	Oxygen Free
713	OFC	Oxygen Free Copper
714	OFHC	Oxygen Free High thermal Conductivity
715	OH	alcohol
716	OH	hydroxide
717	OH	hydroxyl functional group
718	OI	Oxygen Index
719	OILRIG	Oxygen Is Losing, Reduction Is Gaining
720	OM	Organic Matter
721	ON	Oxidation Number
722	OP	Organophosphate
723	OQS	Occupied Quantum State
724	OR	Oxidation-Reduction
725	ORNL	Oak Ridge National Laboratory
726	ORP	Oxidation-Reduction Potential
727	ORR	Oxidation-Reduction Reaction
728	Os	Osmium
729	OSHA	Occupational Safety and Health Administration
730	OSL	Optically Stimulated Luminescence
731	OTA	OchraToxin A
732	OV	Organic Vapor
733	OVA	Organic Vapor Analyser
734	OVA	OVAlbumin
735	OWC	Oil-Water Contact
736	OX	Oxidation, Oxygen
737	OXA	OXanilic Acid
738	OXT	OXyTocin
739	OXY	Oxygen
740	p+	Proton
741	P	Peta prefix (1015)
742	P	Phosphorus
743	p	pico prefix (10-12)
744	P	Pressure, Proton
745	Pa	Pascal
746	PA	Phosphatidic Acid
747	Pa	Protactinium
748	PA	Proton Affinity
749	PAA	PolyAcrylic Acid
750	PABA	ParaAminoBenzoic Acid
751	PAC	Pharmaceutically Active Compound, Polycyclic Aromatic Content, Powdered Activated Carbon
752	PAEK	PolyArylEtherKetone
753	PAGE	PolyAcrylamide Gel Electrophoresis
754	PAH	Polycyclic Aromatic Hydrocarbon
755	PAI	PolyAmide Imide
756	PAO	PolyAlphaOlefin
757	PASA	PolyAmide, Semi-Aromatic
758	Pb	Lead
759	PB	PolyButylene
760	PBB	PolyBrominated Biphenyl
761	PBD	PolyButaDiene
762	PBI	PolyBenzImidazole
763	PBN	PolyButylene Naphthalate
764	PBS	Phosphate Buffered Saline
765	PBT	PolyButylene Terephthalate
766	PC	PolyCarbonate, Pyruvate Carboxylase
767	PCA	Pyrrolidone Carboxylic Acid
768	PCC	Pyridine Chloro Chromate
769	PCE	Tetrachloroethylene
770	PCR	Polymerase Chain Reaction
771	PCV	Pressure Control Valve
772	Pd	Palladium
773	PD	Positive Displacement, Potential Difference
774	PE	PhycoErythrin, Polyethylene, Potential Energy
775	PEA	PolyEster Amine
776	PEEK	PolyEtherEtherKetone
777	PEG	PolyEthylene Glycol
778	PEK	Poly Ether Ketone
779	PEL	Permissible Exposure Limit
780	PERC	Tetrachloroethylene
781	PES	PolyEtherSulfone
782	PET	PolyEthylene Terephthalate
783	PETP	PolyEthyleneTerePhthalate
784	PEX	Cross-linked PolyEthylene
785	PFC	Perfluorocarbon
786	pg	picogram
787	PG	Propylene Glycol
788	PG	Prostaglandin
789	PGA	3-PhosphoGlyceric Acid
790	PGA	PolyGlutamic Acid
791	PGE	Platinum Group Elements
792	PGM	Platinum Group Metals
793	pH	measurement of H+ ions in aqueous solution
794	PH	Phenol functional group
795	PHA	PolyHydroxyAlkanoate
796	PHB	PolyHydroxyButyrate
797	PHC	Petroleum HydroCarbon
798	PHMB	PolyHexaMethyleneBiguanide
799	PHT	PHThalate
800	PI	Phosphate Ion, PolyImide
801	PIB	PolyIsoButylene
802	pK	measurement of the dissociation constant
803	PLA	Polymerized Lactic Acid
804	PLC	PhosphoLipase-C
805	PM	Particulate Matter, Photo Multiplier
806	pm	picometer
807	PM	Plasma Membrane, Powder Metallurgy
808	Pm	Promethium
809	PM10	Particulates smaller than 10 μm.
810	PM3	Parameterized Model number 3
811	PMA	PhosphoMolybdic Acid
812	PMA	PolyMethyl Acrylate
813	PMID	PubMed IDentifier
814	PMMA	PolyMethylMethAcrylate
815	PMO	PolyMethylene Oxide
816	PNPA	PolyNucleotide Phosphorylase A
817	PNPB	PolyNucleotide Phosphorylase B
818	Po	Polonium
819	POC	Polar Organic Contaminant
820	pOH	measurement of OH- ions in aqueous solution
821	POL	Petroleum, Oils, and Lubricants
822	POP	Persistent Organic Pollutant
823	PORC	Porcelain
824	PPA	PhenylPropanolAmine, PolyPhthalAmide
825	ppb	Parts per billion
826	ppm	Parts per million
827	PPO	PolyPhenylene Oxide
828	PPS	PolyPhenylene Sulfide
829	PPT	Parts Per Trillion, PolyPyrimidine Tract, Precipitate
830	Pr	Praseodymium
831	PRV	Pressure Relief Valve
832	PSI	Pounds per Square Inch
833	PSV	Pressure Safety Valve
834	Pt	Platinum
835	PTFE	PolyTetraFluoroEthylene
836	Pu	Plutonium
837	PU	PolyUrethane
838	PV	Parity Violation, Pressure Volume
839	PVC	PolyVinyl Chloride
840	PVT	Pressure, Volume, Temperature
841	PXY	Para-XYlene
842	Q	Heat energy
843	QA	Quinolinic Acid
844	QC	Quality Control
845	QCD	Quantum ChromoDynamics
846	QED	Quantum ElectroDynamics, Quod Erat Demonstradum (Latin for “which was to be demonstrated”)
847	QM	Quantum Mechanics
848	QS	Quantum State, Quantum Sufficit (Latin for “as much as needed”)
849	qt	quart
850	QW	Quit Whining
851	QY	Quantum Yield
852	R	Arginine amino acid
853	R	Chiral center for R/S system
854	R	functional group or side chain of atoms variable
855	R	Ideal Gas Constant
856	R	Reactive
857	R	Redux
858	R	Resistance
859	R	Rydberg Constant
860	R	Röntgen unit
861	Ra	Radium
862	RA	Retinoic Acid
863	RACHEL	Remote Acess Chemical Hazards Electronic Library
864	rad	Radiation, Absorbed Dose
865	rad	radian
866	Rad	Radioactive
867	Rb	Rubidium
868	RBA	Rutherford Backscattering Analysis
869	RBD	Refined, Bleached and Deodorized
870	RCS	Reactive Chemical Species
871	RDA	Recommended Daily Allowance
872	RDT	Recombinant DNA Technology
873	RDX	cyclotrimethylenetrinitramine, Research Department Explosive
874	RE	Rare Earth
875	Re	Rhenium
876	REACH	Registration, Evaluation, Authorization, and restriction of CHemical substances
877	REE	Rare Earth Element
878	Ref	Reference
879	rem	Radiation Equivalent, Man
880	REM	Rare Earth Metal
881	REQ	Required
882	RER	Respiratory Exchange Ratio
883	RF	Radio Frequency, Resonance Frequency
884	Rf	Rutherfordium
885	RFIC	Reagent-Free Ion Chromatography
886	RFM	Relative Formula Mass
887	RG	Rare Gas
888	Rg	Roentgenium
889	RH	Relative Humidity
890	Rh	Rhodium
891	RH	Rydberg Constant for Hydrogen
892	RHE	Reversible Hydrogen Electrode
893	RHIC	Relativistic Heavy Ion Collider
894	RHS	Right Hand Side
895	RI	Radical Initiator
896	RIO	Red IronOxide
897	RL	Reaction Level
898	RMM	Relative Molar Mass
899	RMS	Root Mean Square
900	Rn	Radon
901	RNA	RiboNucleic Acid
902	RNS	Reactive Nitrogen Species
903	RO	Red Oxide
904	RO	Reverse Osmosis
905	ROHS	Restriction Of Hazardous Substances
906	ROS	Reactive Oxygen Species
907	ROWPU	Reverse Osmosis Water Purification Unit
908	RPT	Repeat
909	RSC	Royal Society of Chemistry
910	RT	Energy (Rydberg Constant x Temperature), Reverse Transcriptase, Room Temperature
911	RTM	Read The Manual
912	RTP	Room Temperature and Pressure
913	RTSC	Room Temperature Super Conductor
914	Ru	Ruthenium
915	S	Entropy
916	s	seconds
917	s	solid
918	s	spin quantum number
919	S	Sulfur
920	SA	Salicylic Acid
921	SA	Surface Area
922	SAC	S-Allyl Cysteine
923	SAC	Strong Acid Cation
924	sal	salt (Latin)
925	SAM	S-Adenosyl Methionine
926	SAM	Spin Angular Momentum
927	SAN	Styrene-AcryloNitrile
928	SAP	Super Absorbent Polymer
929	SAQ	Soluable AnthraQunone
930	SAS	Small Angle Scattering
931	SATP	Standard Ambient Temperature and Pressure
932	Sb	Antimony
933	SB	Solvent Based
934	SBA	Strong Base Anion
935	SBC	Styrene Butadiene Copolymer
936	SBR	Sequencing Batch Reactor
937	SBS	Styrene Butadiene Styrene
938	Sc	Scandium
939	SC	Silicon Carbide
940	SCBA	Specific Chemical and Biologic Agents
941	SCC	Stress Corrosion Cracking
942	Sci	Science
943	SCN	Thiocyanate
944	SCO	Super Charged Oxygen
945	SCS	Single Crystal Silicon
946	SCU	SCoville Units
947	SCVF	Single Chamber Vacuum Furnace
948	SCW	Super Critical Water
949	SCX	Strong Cation eXchanger
950	SDMS	Scientific Data Management System
951	SDV	Shut Down Valve
952	SDW	Spin Density Wave
953	SE	Sample Error
954	Se	Selenium
955	Sec	Seconds
956	SEP	Separate
957	SEU	Slightly Enriched Uranium
958	SF	Safety Factor, Significant Figures
959	SFC	Supercritical Fluid Chromatography
960	SFPM	Suspended Fine Particulate Matter
961	Sg	Seaborgium
962	SG	Specific Gravity, Spheroidal Graphite
963	SH	Thiol functional group
964	SHC	Synthetic HydroCarbon
965	SHE	Standard Hydrogen Electrode
966	SHF	Super High Frequency
967	SI	Système international d’unités (International System of Units)
968	Si	Silicon
969	SL	Sea Level
970	SL	Short Lived
971	SLI	Solid-Liquid Interface
972	SLP	Sea Level Pressure
973	Sm	Samarium
974	SM	Semi-Metal
975	SM	Standard Model
976	SMILES	Simplified Molecular Input Line Entry System
977	SN	Sodium Nitrate
978	Sn	Tin
979	SNAP	S-Nitroso-N-AcetylPenicillamine
980	SNP	Single-Nucleotide Polymorphism
981	sp	hybrid orbital between s and p orbitals
982	SP	Solubility Product
983	Sp	Special
984	SP	Starting Point
985	SPDF	atomic electron orbital names
986	SQ	squared
987	Sr	Strontium
988	SS	Solid Solution
989	SS	Stainless Steel
990	SSP	Steady State Plasma
991	STEL	Short Term Exposure Limit
992	STM	Scanning Tunneling Microscope
993	STP	Standard Temperature and Pressure
994	SUS	SUSpension
995	T	Period of a wave
996	T	Tera prefix (1012)
997	T	Thymine
998	t	time
999	T	Transition Metal
1000	T	Tritium
1001	Ta	Tantalum
1002	TaC	Tantalum Carbide
1003	TAC	Teiacetyl Cellulose
1004	TAG	TriAcylGlyceride
1005	tan	tangent
1006	TAN	Total Acid Number
1007	TAS	Total Alkali versus Silica, Total Analysis System
1008	TAT	TriAcetone TriPeroxide
1009	Tb	Terbium
1010	TBA	2,4,6-TriBromoAnisole
1011	TBA	TertButylArsine
1012	TBC	4-TertButylCatechol
1013	TBHQ	TertButylHydroQuinone
1014	TBP	True Boiling Point
1015	TBT	TriButylTin
1016	Tc	Critical Temperature, Technitium
1017	TC	Temperature Compensated, Temperature Controlled, Theoretical Chemistry
1018	TCA	TauroCholic Acid
1019	TCA	TCA cycle (citric acid cycle)
1020	TCA	TriChloroAcetic Acid
1021	TCE	TriChloroEthane
1022	TCF	ThiolCarbon Fiber
1023	TCM	TetraChloromethane
1024	TCP	1,2,3-TriChloropropane, Thermal Conversion Process, Tocopherol, TriCalcium Phosphate, TriChloroPhenol
1025	TCS	Toxic Chemical System
1026	TCT	ToCoTrienol
1027	TCV	Temperature Control Valve
1028	TCVF	Two Chamber Vacuum Furnace
1029	TD	Temperature Displacement
1030	TD	Thermal Deposition
1031	TDA	Thermal Dilatometric Analysis
1032	TDC	Three Degrees Centigrade
1033	TDG	ThymineDNA Glycosylase
1034	TDI	Tolerable Daily Intake
1035	TDI	Toluene DiIsonate
1036	TDO	Tryptophan 2,3-DiOxygenase
1037	TDP	Thermal DePolymerization
1038	TDP	Thiamine DiPhosphate
1039	TDP	Thymidine DiPhosphate
1040	Te	Tellurium
1041	TEA	Terminal Electron Acceptor
1042	TEC	Thermal Electric Cooler
1043	TEL	Tetra Ethyl Lead
1044	TFM	Total Fatty Matter
1045	Th	Thorium
1046	THC	Tetra Hydra Cannabinol
1047	THM	TriHaloMethanes
1048	TI	Thermal Index
1049	Ti	Titanium
1050	TIC	Total Ion Current
1051	TIMS	Thermal Ionization Mass Spectroscopy
1052	TIP	TrisIsopropyl Phenyl
1053	Tl	Thallium
1054	TLC	Thin Layer Chromatography
1055	TLV	Toxic Level Value
1056	Tm	Thulium
1057	TM	Transition Metal
1058	TMD	Theoretical Maximum Density
1059	TMG	TriMethylGlycine
1060	TMMA	TetraMethylMalonAmide
1061	TMP	TriMethylPhosphate
1062	TMS	TriMethylSilane
1063	TNB	TriNitroBenzene
1064	TNS	Test No Ether
1065	TNT	TriNitroToluene
1066	TOBSY	Total ThroughBond Correlation Spectroscopy
1067	TOC	Total Organic Carbon
1068	TOI	Table Of Isotopes
1069	TON	Table Of Nuclides
1070	TOX	Toxic
1071	TP	Transition Point, Triple Point
1072	TPE	ThermoPlastic Elastomer
1073	TPM	Total Particulate Matter
1074	TR	Table Row
1075	TRAP	Tartrate Resistant Acid Phosphatase
1076	TRFM	Time Resolved Fluorescence Microscopy
1077	TRP	Tryptophan
1078	TS	Temperature Sensitive
1079	TSCB	TriSilaCycloButane
1080	TSP	Thermally Stable Polycrystalline
1081	TSP	TriSodium Phosphate
1082	TSPM	Total Suspended Particulate Matter
1083	TSS	Total Soluble Solids
1084	TST	Transitional State Theory
1085	TT	Test Tube
1086	TTC	Triphenyl Tetrazolium Chloride
1087	TTFD	Thiamine TetraHydroFurfurylDisulfide
1088	TTLC	Total Threshold Limit Concentration
1089	TTO	Total Toxic Organics
1090	TTP	Thymine TriPhosphate
1091	TTX	Tetrodotoxin
1092	TU	Thermally Unbound
1093	TWMC	Time Weighted Mean Concentration
1094	TWV	Total Water Vapor
1095	U	Internal Energy, Undetectable, Uranium
1096	UAFM	Uranyl Acetate Fluorescence Method
1097	UCK	Universal Chemical Key
1098	UG	Undisturbed Gas UHC,Unburned HydroCarbons
1099	UHF	Ultra High Frequency
1100	UHMW	Ultra High Molecular Weight
1101	UHP	Ultra High Pressure, Ultra High Purity
1102	UHT	Ultra High Temperature
1103	UHV	Ultra High Vacuum
1104	ULG	Universal Liquid Gas
1105	ULO	Ultra Low Oxygen
1106	ULOQ	Upper Limit Of Quantitation
1107	ULS	Ultra Low Sulfur
1108	ULT	Ultra Low Temperature
1109	UNK	UNKnown
1110	UPW	Ultra Pure Water
1111	UQY	Ultimate Quality and Yield
1112	UUD	UnUnDuium (Element 112, now Cn)
1113	UUH	UnUnHexium (Element 116)
1114	UUO	UnUnOctium (Element 118)
1115	UUP	UnUnPentium (Element 115)
1116	UUQ	UnUnQuadium (Element 114)
1117	UUS	UnUnSeptium (Element 117)
1118	UUU	UnUnUnium (Element 111, now Rg)
1119	UV	UltraViolet
1120	UV-A	UltravViolet band A
1121	UV-B	UltraViolet band B
1122	UVA	UltraViolet band A
1123	UVB	UltraViolet band B
1124	UVF	UtraViolet Filter
1125	UVL	UltraViolet Lamp
1126	UVR	UltraViolet Reactive
1127	UXS	Glucuronic Acid DeCarboxylase
1128	UYQ	Uranium Yield Quantity
1129	V	Vacuum, Valene, Vanadium, Volt, Volume
1130	v	velocity
1131	VA	Nitrogen group, Volume Analyzer
1132	VAC	Vacuum, Vacuum Assisted Closure
1133	VB	Vacuum Break, Valence Band
1134	VBJ	Vacuum Bell Jar
1135	VBT	Valence Bond Theory
1136	VC	Vapor Cloud, Vinyl Chloride, Viscous Coupled
1137	VCE	Vapor Cloud Explosion
1138	VCM	Vinyl Chloride Monomer
1139	Vd	Volume distribution
1140	VDB	VanDyke Brown test
1141	VDF	Van der Waals force
1142	VDW	Van der Waals radius
1143	VEQ	EQuilibrium Volume, EQuivalence point Volume
1144	VFn	Vertical Face number (n is a number)
1145	VH	Vapor Hazard
1146	VHH	Volatile Halogenated Hydrocarbon
1147	VHI	Vapor Hazard Index
1148	VHN	Vickers Hardness Number
1149	VHP	Vaporized Hydrogen Peroxide, Very High Pressure
1150	VHT	Very High Temperature
1151	VHY	Very High Yield
1152	VI	Viscosity Index
1153	VLD	Vacuum Leak Detector
1154	VLE	Vapor Liquid Equilibrium
1155	VMD	Visual Molecular Dynamics
1156	VO	Vacuum Oven
1157	VOA	Volatile Organic Analysis
1158	VOC	Volatile Organic Compound
1159	VOL	Volume
1160	VP	Vapor Point, Vapor Pressure
1161	VPE	Virtual Potential Energy
1162	VR	Very Rapid
1163	VS	Very Saturated
1164	VS	Volatile Solid
1165	VSC	Volatile Sulfur Compound
1166	VSS	Volatile Suspended Solid
1167	VTC	Variable Temperature Cutoff
1168	VTP	Volume, Temperature, Pressure
1169	VU	Volume Units
1170	VV	Vacuum Vessel, Valence-Valence
1171	VW	Varies Widely
1172	W	Tryptofan, Tungsten, Watt, wavelength, Weight, width, Work
1173	W5	Which Was What We Wanted
1174	WA	Weak Acid
1175	WAC	Weak Acid Cation
1176	WB	Water Based, Weak Base, Weak Bond
1177	WBA	Weak Base Anion
1178	WC	Water Cosolvent
1179	WCS	Worst Case Scenario
1180	WD	Water Dispersant, Water Displacement, Wet/Dry
1181	WIAP	Water In All Phases
1182	WIN	Water Insoluble Nitrogen
1183	WNA	World Nuclear Association
1184	WO	Weak Oxidizer
1185	WP	White Phosphorus
1186	WPS	Water Phase Salt
1187	WR	Water Repellent
1188	WS	Wash Solution, Water Soluble
1189	WSNZ	Water Soluble Zinc
1190	WSPI	Water-Soluble Phosphorous, Inorganic
1191	WSPO	Water-Soluble Phosphorous, Organic
1192	WSS	Water Soluble Stabilizer
1193	WST	Weighted Settling Time
1194	WV	Water Vapor
1195	WVDA	Water Vapor Diffusion Analysis
1196	WVM	Water Vapor Monitor
1197	WVN	Water Vapor Nitrogen
1198	WVP	Water Vapor Permeability
1199	WVT	Water Vapor Transport
1200	WW	Waste Water
1201	WWIX	Waste Water Ion eXchange
1202	WYOL	Write Your Own Lab
1203	WYOLA	Write Your Own Lab Assignment
1204	WYU	What You Use
1205	X	Halogen, unknown
1206	XAG	Silver Troy Ounce
1207	XAN	XANthine
1208	XAU	Gold Troy Ounce
1209	XDB	eXtra Dense Bonding
1210	Xe	Xenon
1211	XLS	Xenon Light Source
1212	XOD	Xanthine Oxidase
1213	XPD	Palladium Troy Ounce
1214	XPT	Platinum Troy Ounce
1215	XUM	X-ray Ultra-Microscope
1216	XYD	XYliDine
1217	Y	Tyrosine, Yotta prefix (1024), Yttrium
1218	y	yocto prefix (10-24)
1219	YA	Yield Analysis
1220	YAG	Yttrium Aluminum Garnet
1221	YAP	Yield Analysis Pattern
1222	Yb	Ytterbium
1223	YBCO	Yttrium Barium Copper Oxide
1224	YBG	Your Best Guess
1225	YCC	American Chemical Society Younger Chemists Committee
1226	Yd	Yard
1227	YIC	Yttrium Lithium Fluoride
1228	Yr	Year
1229	YZN	Yellow ZiNc dichromate
1230	Z	Atomic Number, azimuth, Impedance, proton number, zero, Zetta prefix (1021)
1231	z	zepto prefix (10-21)
1232	ZB	Zinc Blende
1233	ZC	Zero Calibration
1234	ZC	Zinc Composite
1235	ZCG	Zeolite Crystal Growth
1236	ZCR	Zinc Chromium
1237	ZCS	Zinc Coated Steel
1238	ZDC	Zero Degrees Kelvin
1239	ZE	Zone Electrophoresis
1240	ZEKE	Zero Electron Kinetic Energy
1241	ZG	Zero Gravity
1242	ZINC	Zinc Is Not Copper
1243	ZK	Zero Kelvin
1244	Zn	Zinc
1245	ZO	Zinc Oxide
1246	ZP	Zero Pressure
1247	Zr	Zirconium
1248	ZRE	Zinc Responsive Element