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Houghton MifflinAbreviaturas más usadas en inglés
AA
Alcoholics Anonymous

A.B.
Latín Artium Baccalaureus (Bachelor of Arts)

ABA
American Bar Association

ABM
antiballistic missile

ac or AC
alternating current

a.c. or a/c
air conditioning

acct.
account; accountant

ACLU
American Civil Liberties Union

A.D.
Latín anno Domini (in the year of the Lord)

adm.
administration

Adm.
admiral; admiralty

AEC
Atomic Energy Commission

AFB
air force base

AFDC
Aid to Families with Dependent Children

AFL
American Federation of Labor

AFL-CIO
American Federation of Labor and Congress of Industrial Organizations

AK
Alaska

a.k.a.
also known as

AL
Alabama

alt.
  1. altitude
  2. alternate

am or AM
amplitude modulation

A.M.
  1. ante meridiem
  2. Latín Atrium Magister (Master of Arts)

AMA or A.M.A.
American Medical Association

Amex
American Stock Exchange

amt.
amount

anon.
anonymous

AP or A.P.
Associated Press

APO or A.P.O.
Army Post Office

appt.
appointment

Apr.
April

apt.
apartment

AR
Arkansas

A/R
accounts receivable

ASAP
as soon as possible

ASL
American Sign Language

assn. or assoc.
association

asst.
assistant

attn.
attention

atty. or att.
attorney

Aug.
August

AV or A.V.
audio-visual

ave. or Ave.
avenue

avg.
average

AZ
Arizona

B.A.
Latín Baccalaureus Artium (Bachelor of Arts)

BBB
Better Business Bureau

B.C.
before Christ

bd. ft.
board foot

bldg.
building

blvd.
boulevard

B/R
bills receivable

bros.
brothers

B.S.
Bachelor of Science

BSA
Boy Scouts of America

B.Sc.
Bachelor of Science

bsh.
bushel

Btu
British thermal unit

c or c.
cup

c or C.
century

C
celsius

CA
California

cal
calorie (small)

Cal
calorie (large)

Capt.
captain

Card.
Cardinal

CARE
Cooperative for American Relief Everywhere

CB or C.B.
citizen's band

cc
  1. cubic centimeter
  2. carbon copy

CD
  1. o C/D certificate of deposit
  2. o C.D. civil defense

Cdr.
commander

CDT or C.D.T.
Central Daylight Time

cf.
confer (compare)

cg
centigram

cgs. or CGS
centimeter-gram-second

ch. or chap.
chapter

CIA
Central Intelligence Agency

CIO
Congress of Industrial Organizations

cl
centiliter

cm
centimeter

Cmdr.
commander

co. or Co.
company

CO
  1. Colorado
  2. o c.o. commanding officer
  3. o C.O. conscientious objector

c/o or c.o.
care of

COD or C.O.D.
cash on delivery

Col.
colonel

COLA
cost-of-living adjustment

Comr.
commissioner

cont.
continue; continued

corp.
corporation

CP
Communist Party

CPA or C.P.A.
certified public accountant

CPI
consumer price index

CPR
cardiopulmonary resuscitation

cps
characters per second

Cpt.
captain

CPU
central processing unit

CRT
cathode-ray tube

CST or C.S.T.
Central Standard Time

CT
Connecticut

cu. or cu
cubic

cwt.
hundredweight

cyl.
cylinder

D.A. or DA
  1. district attorney
  2. Doctor of Arts

D & C
dilatation and curettage

DAR
Daughters of the American Revolution

dB
decibel

dc or DC
direct current

DCM
Distinguished Conduct Medal

D.D.
Latín Divinitatis Doctor (Doctor of Divinity)

D.D.S.
Doctor of Dental Science

DE
Delaware

Dec.
December

D.Ed.
Doctor of Education

Dem.
Democratic; Democrat

dept.
  1. department
  2. deputy

dg
decigram

D.H.
Doctor of Humanities

diam. or dia.
diameter

dir.
director

div.
division

DJ
disc jockey

dkg
dekagram

dkm
dekameter

dl
deciliter

D.Lit. or D.Litt.
Latín Doctor Litterarum (Doctor of Letters or Literature)

dm
decimeter

D.M.D.
Latín Dentariae Medicinae Doctor (Doctor of Dental Medicine)

DMZ
demilitarized zone

DOA
Medicina dead on arrival

DOD
Department of Defense

DOS
disk operating system

doz.
dozen

DP
  1. data processing
  2. o D.P. displaced person

D.Ph. or D.Phil.
Doctor of Philosophy

DPT
diphtheria, pertussis, tetanus (vaccine)

dr
dram

Dr.
  1. doctor
  2. drive (in street names)

DSC
Distinguished Service Cross

DSM
Distinguished Service Medal

DSO
Distinguished Service Order

DST or D.S.T.
daylight-saving time

DT or D.T.
daylight time

dz.
dozen

E or E.
east

ea.
each

ed.
edited; editor; edition

Ed.M.
Latín Educationis Magister (Master of Education)

EDT or E.D.T.
Eastern Daylight Time

E.E.
electrical engineering

EEC
European Economic Community

EEG
electroencephalogram

e.g.
Latín exempli gratia (for example)

EKG
electrocardiogram

EMT
emergency medical technician

enc. or encl.
enclosed; enclosure

EPA
Environmental Protection Agency

ER
emergency room

ERA
Equal Rights Amendment

ESL
English as a second language

ESP
extrasensory perception

Esq.
Esquire (title)

EST or E.S.T.
Eastern Standard Time

est.
established

ETA or e.t.a.
estimated time of arrival

et al.
Latín et alii (and others)

ETD or e.t.d.
estimated time of departure

eV
electron volt

Exc.
Excellency

exec.
executive

F
Fahrenheit

FAA
Federal Aviation Administration

FBI or F.B.I.
Federal Bureau of Investigation

fc
foot-candle

FCC
Federal Communications Commission

FDA
Food and Drug Administration

FDIC
Federal Deposit Insurance Corporation

Feb.
February

fed.
federal

ff.
  1. folios
  2. following

FHA
Federal Housing Administration

FICA
Federal Insurance Contributions Act

fl
fluid

FL
Florida

fl dr
fluid dram

fl oz
fluid ounce

FM or fm
frequency modulation

f.o.b. or F.O.B.
free on board

Fri.
Friday

ft
foot

FTC
Federal Trade Commission

ft-lb
foot-pound

FY
fiscal year

GA
Georgia

gal.
gallon

Gen.
general

GHQ
general headquarters

GHz
gigahertz

GI or G.I.
Government Issue

gm
gram

GMT or G.M.T.
Greenwich mean time

GMW
gram-molecular weight

GNP
gross national product

GOP or G.O.P.
Grand Old Party (Republican)

Gov.
governor

govt.
government

G.P. or GP
general practitioner

GPA
grade point average

gr. wt.
gross weight

hdqtrs.
headquarters

HEW
(Department of) Health, Education, and Welfare

HI
Hawaii

H.M.
Her o His Majesty

HMO
health maintenance organization

HMS
Her o His Majesty's Ship

Hon.
Honorable (title)

HOPE
Health Opportunity for People Everywhere

hp
horsepower

HQ or h.q.
headquarters

hr
hour

H.R.H.
Her o His Royal Highness

hrs.
hours

HS or H.S.
high school

ht
height

HTTP
hypertext transfer protocol

HUD or H.U.D.
Housing and Urban Development

hwy.
highway

Hz
hertz

IA or Ia.
Iowa

ibid.
Latín ibidem (in the same place)

ICBM
intercontinental ballistic missile

ICC
Interstate Commerce Commission

ID
  1. Idaho
  2. o I.D. identification

i.e.
Latín id est (that is)

IFR
instrument flight rules

IL
Illinois

IMF
International Monetary Fund

IN
Indiana

Inc.
incorporated

intl. or int.
international

inv.
invoice

I/O
input/output

IQ or I.Q.
intelligence quotient

IRA
  1. Individual Retirement Account
  2. o I.R.A. Irish Republican Army

IRBM
Intermediate Range Ballistic Missile

IRS
Internal Revenue Service

ISBN
International Standard Book Number

IUD
intrauterine device

IV
intravenous; intravenously

Jan.
January

J.D.
Latín Jurum Doctor (Doctor of Laws)

JP or J.P.
justice of the peace

jr. or Jr.
junior

Jul.
July

Jun.
June

k
  1. karat
  2. kilo-

kc
kilocycle

kcal
kilocalorie

kg
kilogram

KHz
kilohertz

KKK or K.K.K.
Ku Klux Klan

km
kilometer

kmph
kilometers per hour

KS
Kansas

kW
kilowatt

kWh
kilowatt-hour

KY or Ky.
Kentucky

l
liter

LA or La.
Louisiana

L.A. or LA
Los Angeles

lat.
latitude

lb.
Latín libra (pound)

LC
Library of Congress

lcd or l.c.d.
lowest common denominator

LCD
liquid crystal display

LCM
least (lowest) common multiple

LED
light-emitting diode

l.h. or LH
left hand

lit.
literature; literally

Lit.D. or Litt.D.
Latín Litterarum Doctor (Doctor of Letters or Literature)

LL.D.
Latín Legum Doctor (Doctor of Laws)

lm
lumen

LMT
local mean time

LNG
liquified natural gas

loc. cit.
Latín loco citato

long.
longitude

LP
long-playing (record)

LPG
liquefied petroleum gas

LPN or L.P.N.
licensed practical nurse

LSAT
Law School Admissions Test

Lt.
lieutenant

ltd. or Ltd.
limited

m
  1. meter
  2. mass

MA
Massachusetts

M.A.
Latín Magister Artium (Master of Arts)

M.A.Ed.
Master of Arts in Education

Maj.
major

Mar.
March

M.A.T.
Master of Arts in Teaching

max.
maximum

mb
millibar

M.B.A.
Master of Business Administration

mc
millicurie

Mc
megacycle

MC
Medical Corps

M.C. or m.c.
master of ceremonies

MD or Md.
Maryland

M.D.
Latín Medicinae Doctor (Doctor of Medicine)

mdse.
merchandise

ME or Me.
Maine

M.Ed.
Master of Education

M.F.A.
Master of Fine Arts

mfg.
manufacturing; manufactured

mfr.
manufacturer; manufactured

mg
milligram

Mgr. or mgr.
manager

mgt.
management

MI
Michigan

mi.
mile

MIA
missing in action

min.
  1. minimum
  2. o min minute

misc.
miscellaneous

mkt.
market

ml
milliliter

MLA or M.L.A.
Modern Language Association

M.L.S.
Master of Library Science

mm
millimeter

MN
Minnesota

MO or Mo.
Missouri

mo.
month

mol wt
molecular weight

Mon.
Monday

mos.
months

MP or M.P.
military police

M.P.
Member of Parliament

mpg or m.p.g.
miles per gallon

mph or m.p.h.
miles per hour

ms
millisecond

MS
  1. Mississippi
  2. multiple sclerosis

ms. or MS. or ms
manuscript

msec
millisecond

MSG
monosodium glutamate

Msgr.
Monseigneur; Monsignor

mss. or MSS. or mss
manuscripts

MST or M.S.T.
Mountain Standard Time

M.S.W.
Master of Social Welfare

MT
  1. Montana
  2. o M.T. Mountain Time

mt. or Mt.
mount; mountain

m.t. or M.T.
metric ton

mV
millivolt

mW
milliwatt

MW
megawatt

N or N.
north

NA or n/a
not applicable

NAACP
National Association for the Advancement of Colored People

NASA
National Aeronautics and Space Administration

NATO
North Atlantic Treaty Organization

n.b. or N.B.
nota bene

NC or N.C.
North Carolina

NCO
noncommissioned officer

ND or N.D.
North Dakota

NE
  1. Nebraska
  2. o N.E. New England
  3. northeast

NEA
National Education Association

NGO
nongovernmental organization

NH or N.H.
New Hampshire

NIH
National Institute of Health

NJ or N.J.
New Jersey

NLRB or N.L.R.B.
National Labor Relations Board

NM or N.M.
New Mexico

no.
number

Nov.
November

NOW
National Organization for Women

N.P.
notary public

NRA
National Rifle Association

NRC
Nuclear Regulatory Commission

NSF
National Science Foundation

nt. wt.
net weight

NV
Nevada

NW
northwest

NY or N.Y.
New York

NYSE
New York Stock Exchange

NYC or N.Y.C.
New York City

OAS
Organization of American States

OCS
Officer Candidate School

Oct.
October

OEA
Office of Economic Opportunity

OH
Ohio

OK
Oklahoma

OMB
Office of Management and Budget

op. cit.
Latín opere citato (in the work cited)

OPEC
Organization of Petroleum Exporting Countries

OR or Or.
Oregon

O.R. or OR
operating room

org.
organization; organized

o.t. or O.T.
  1. occupational therapy
  2. overtime

oz or oz.
ounce

p.
  1. page
  2. per

PA or Pa.
  1. Pennsylvania
  2. public address (system)

PAC
political action committee

pat.
patent

patd.
patented

PBX or P.B.X.
private branch (telephone) exchange

PC
personal computer

PCB
polychlorinated biphenyl

pd.
paid

PDT or P.D.T.
Pacific Daylight Time

Pfc or Pfc.
private first class

pg.
page

Phar.D.
Latín Pharmaciae Doctor (Doctor of Pharmacy)

PH.D.
Latín Philosophiae Doctor (Doctor of Philosophy)

pkg. or pkge.
package

pkwy.
parkway

Pl.
place (in street names)

PLO
Palestine Liberation Organization

P.M. or p.m.
  1. post meridiem
  2. Prime Minister

PO or P.O. or p.o.
  1. petty officer
  2. post office

POE or P.O.E.
port of entry

pop.
population

POW or P.O.W.
prisoner of war

pp.
pages

ppd.
  1. postpaid
  2. prepaid

P.P.S. or p.ps
Latín post postscriptum (additional postscript)

pr.
pair

PR
  1. Puerto Rico
  2. public relations

Pres.
President

Prof.
professor

P.S. or p.s.
  1. postscript
  2. public school

PSAT
Preliminary Scholastic Aptitude Test

psf or p.s.f.
pounds per square foot

psi or p.s.i.
pounds per square inch

PST or P.S.T.
Pacific Standard Time

pt.
part

P.T. or PT
Pacific Time

PT
part-time

PTA or P.T.A.
Parent-Teacher Association

PVC
polyvinyl chloride

pvt. or Pvt.
private

pwr.
power

PX
Post Exchange

Q.E.D.
Latín quot erat demonstrandum (which was to be demonstrated)

QMG
Quartermaster General

qt or qt.
quart

q.v.
Latín quod vide (which see)

r or R
  1. radius
  2. Elec. resistance

RAF or R.A.F.
Royal Air Force

RAM
random-access memory

R&B
rhythm and blues

R&D
research and development

RC
  1. Red Cross
  2. Roman Catholic

rept.
receipt

RD
rural delivery

Rd. or rd.
road

RDA
recommended daily allowance

recd. or rec'd.
received

reg.
registered

Rep.
Republican

Rev.
reverend (title)

RFD or R.F.D.
rural free delivery

r.h. or RH
right hand

RI or R.I.
Rhode Island

R.I.P.
Latín requiescat in pace (may he o she rest in peace)

RN or R.N.
  1. registered nurse
  2. Royal Navy

ROM
read-only memory

ROTC
Reserve Officers' Training Corps

rpm or r.p.m.
revolutions per minute

rps or r.p.s.
revolutions per second

RR
rural route

R.R.
  1. railroad
  2. Right Reverend

R.S.V.P. or r.s.v.p.
French repondez s'il vous plait (please reply)

rte.
route

S or S.
south

SAC
Strategic Air Command

SALT
Strategic Arms Limitations Talks

SAM
surface-to-air-missile

SASE
self-addressed stamped envelope

SAT
Scholastic Aptitude Test

Sat.
Saturday

SBN
Standard Book Number

SC or S.C.
South Carolina

SD or S.D.
  1. South Dakota
  2. standard deviation

SDI
Strategic Defense Initiative

SE
southeast

SEATO
Southeast Asia Treaty Organization

sec
second

SEC
Securities and Exchange Commission

secy.
secretary

Sen.
Senate; Senator

Sept. or Sep.
September

SF
science fiction

Sgt.
sergeant

SIDS
sudden infant death syndrome

S.J.
Society of Jesus

S.J.D.
Latín Scientiae Juridicae Doctor (Doctor of Juridical Science)

S.M.
Latín Scientiae Major (Master of Science)

soc.
society

SOP
standard operating procedure

SPCA
Society for the Prevention of Cruelty to Animals

sq.
square

Sr. or sr.
senior

SRO
standing room only

S.S. or SS
steamship

ST
standard time

st. or St.
street

St.
saint

s.t.
short ton

STD
sexually transmitted disease

std.
standard

STP
standard temperature and pressure

Sun.
Sunday

supt. or Supt.
superintendent

sw
short wave

SW
southwest

t
  1. ton
  2. troy (system of weights)

t.
teaspoon; teaspoonful

T.
tablespoon; tablespoonful

TB or T.B.
tuberculosis

tbs. or tbsp.
tablespoon; tablespoonful

TEFL
teaching English as a foreign language

temp.
  1. temperature
  2. temporary

TESOL
teachers of English to speakers of other languages

Th.D.
Latín Theologiae Doctor (Doctor of Theology)

Thurs. or Thur.
Thursday

TM
trademark

TN
Tennessee

TOEFL
Test of English as a Foreign Language

tsp.
teaspoon; teaspoonful

Tues. or Tu.
Tuesday

TX
Texas

U.
university

U.A.R.
United Arab Republic

UAW
United Automobile Workers

uhf or UHF
ultrahigh frequency

U.K.
United Kingdom

UMW
United Mine Workers

UN or U.N.
United Nations

UNESCO
United Nations Educational, Scientific, and Cultural Organization

UNICEF
United Nations International Children's Emergency Fund

UPI or U.P.I.
United Press International

URL
uniform resource locator

USAF
United States Air Force

USCG
United States Coast Guard

USDA
United States Department of Agriculture

USIA
United States Information Agency

USMC
United States Marine Corps

USN
United States Navy

USO
United Service Organizations

USS
United States Ship

usu.
usually

UT
Utah

V
  1. velocity
  2. volt
  3. volume

v.
verse

v. or V.
Latín vide (see)

VA or Va.
Virginia

V.A. or VA
Veterans' Administration

VAT
value-added tax

VD or V.D.
venereal disease

VDT
video display terminal

VFR
visual flight rules

VFW
Veterans of Foreign Wars

vhf or VHF
very high frequency

VI
Virgin Islands

VISTA
Volunteers in Service to America

viz.
Latín videlicet (namely)

vol.
volume

VP or V.P.
Vice President

vs.
versus

VT
Vermont

W or W.
west

W
watt

WA
Washington

WAC
Women's Army Corps

WAF
Women in the Air Force

WATS
Wide-Area Telephone Service

w.c.
water closet

Wed.
Wednesday

WH
watt-hour

WHO
World Health Organization

whse.
warehouse

whsle.
wholesale

WI
Wisconsin

wk.
  1. week
  2. work

w/o
without

WP
word processing; word processor

wpm or w.p.m.
words per minute

wt.
weight

WV
West Virginia

WWI or W.W.I
World War I

WWII or W.W.II
World War II

WY or Wyo.
Wyoming

yd
yard (measurement)

YMCA or Y.M.C.A.
Young Men's Christian Association

yr.
  1. year
  2. your

YOB
year of birth

YWCA or Y.W.C.A.
Young Women's Christian Association

ZPG
zero population growth


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