Common Abbreviations

A.B.	Artium Baccalaureus [Bachelor of Arts]
abbr.	abbreviation(s), abbreviated
Acad.	Academy
A.D.	anno Domini [in the year of the Lord]
alt.	altitude
A.M.	ante meridiem [before noon]; Artium Magister [Master of Arts]
AM	amplitude modulation
Assn.	Association
at. no.	atomic number
at. wt.	atomic weight
Aug.	August
Ave.	Avenue
AWOL	absent without leave
b.	born, born in
B.A.	Bachelor of Arts
B.C.	Before Christ
b.p.	boiling point
B.S.	Bachelor of Science
Btu	British thermal unit(s)
C	Celsius (centigrade)
c.	circa [about]
cal	calorie(s)
Capt.	Captain
cent.	century, centuries
cm	centimeter(s)
co.	county
Col.	Colonel; Colossians
Comdr.	Commander
Corp.	Corporation
Cpl.	Corporal
cu	cubic
d.	died, died in
D.C.	District of Columbia
Dec.	December
dept.	department
dist.	district
div.	division
Dr.	doctor
E	east, eastern
ed.	edited, edition, editor(s)
est.	established; estimated
et al.	et alii [and others]
F	Fahrenheit
Feb.	February
fl.	floruit [flourished]
fl oz	fluid ounce(s)
FM	frequency modulation
ft	foot, feet
gal.	gallon(s)
Gen.	General, Genesis
GMT	Greenwich mean time
GNP	gross national product
GOP	Grand Old Party (Republican Party)
Gov.	governor
grad.	graduated, graduated at
H	hour(s)
Hon.	the Honorable
hr	hour(s)
i.e.	id est [that is]
in.	inch(es)
inc.	incorporated
Inst.	Institute, Institution
IRA	Irish Republican Army
IRS	Internal Revenue Service
Jan.	January
Jr.	Junior
K	Kelvin
kg	kilogram(s)
km	kilometer(s)
£	libra [pound], librae [pounds]
lat.	latitude
lb	libra [pound], librae [pounds]
Lib.	Library
long.	longitude
Lt.	Lieutenant
Ltd.	Limited
m	meter(s)
M	minute(s)
M.D.	Medicinae Doctor [Doctor of Medicine]
mg	milligram(s)
mi	mile(s)
min	minute(s)
mm	millimeter(s)
mph	miles per hour
Mr.	Mister (always abbreviated)
Mrs.	Mistress (always abbreviated)
Msgr	Monsignor
mt.	Mount, Mountain
mts.	mountains
Mus.	Museum
N	north; Newton(s)
NAACP	National Association for the Advancement of Colored People
NASA	National Aeronautics and Space Administration
NATO	North Atlantic Treaty Organization
NE	northeast
no.	number
Nov.	November
OAS	Organization of American States
Oct.	October
Op.	Opus [work]
oz	ounce(s)
pl.	plural
pop.	population
pseud.	pseudonym
pt.	part(s)
pt	pint(s)
pub.	published; publisher
qt	quart(s)
Rev.	Revelation; the Reverend
rev.	revised
R.N.	registered nurse
rpm	revolution(s) per minute
RR	railroad
S	south
S	second(s)
SEATO	Southeast Asia Treaty Organization
SEC	Securities and Exchange Commission
sec	second(s); secant
Sept.	September
Ser.	Series
Sgt.	Sergeant
sq	square
Sr.	Senior
SSR	Soviet Socialist Republic
St.	Saint; Street
UNICEF	United Nations Children's Fund
uninc.	unincorporated
Univ.	University
U.S.	United States
USA	United States Army
USAF	United States Air Force
USCG	United States Coast Guard
USMC	United States Marine Corps
USN	United States Navy
USSR	Union of Soviet Socialist Republics
VFW	Veterans of Foreign Wars
VISTA	Volunteers in Service to America
vol.	volume(s)
vs.	versus
W	west; watt(s)
WHO	World Health Organization
wt.	weight
yd	yard(s)
YMCA	Young Men's Christian Association
YWCA	Young Women's Christian Association

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