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English acronyms and abbreviations

Abbreviations and acronyms are short versions of existing words and phrases. They were created to save time and/or space and even give more clarity when writing or reading a text.

What is an abbreviation?

Abbreviations are short pronunciations of words and expressions that we use daily.

Because of their qualities, they are very common and are often used in our daily communication, from titles like Dr. and Prof. , even road signs such as Av. and St.

They are formed using the most recognizable letters of the word or expression, making them easier to memorize and read. For example:

  • Myster: Mr. _
  • B or l evar d: Blvd.
  • Corp.: Corp.

Although they are often pronounced the same as the original word, when the abbreviation becomes more popular than the original term, it is pronounced exactly as it is spelled, as is the case with the abbreviation AM (Ante meridiem).

The dot and abbreviations

There is no specific rule that indicates the use or not of the period in abbreviations. However, adding this point improves its recognition in a document, notice, text, etc.

On the other hand, some abbreviations never use a period, as with NY, LA and even USA.

What is an acronym?

You may already know some acronyms like NASA (National Aeronautics and Space Administration) and ATM (automated teller machine).

An acronym stands for a series of words, such as a slogan or the name of an organization, for example.

Unlike abbreviations, acronyms or acronyms are constructed with the initials of words and do not have a stipulated rule that indicates how they should be pronounced, which is why there are two basic ways they can be read:

  1. As a whole word: NASA(National Aeronautics and S pace A dministration )
  2. Letter by letter (as spelled): NBA(N ational B asketball A ssociation)

When and how to use acronyms

Occasionally, you will need to explain the acronym used when writing. For this, it is recommended that:

If the acronym is more popular, it will be placed first and then the full name or phrase in parentheses.

5 Letters

WINDS

WBOSS

WAOSS

WAATS

VSTOL

VIRGO

VIIRS

VEEGA

VALID

USTDC

TSTOL

TRACS

TPOCC

TMPRY

TLSCP

TISRS

TIRIO

SWICS

SWEET

SVAFB

SUSIM

SUPPR

SUMER

STOVL

STLOS

STDCF

SSPTS

SSPDS

SSMEC

SSHPF

SSFMB

SSEOS

SPIAP

SPHER

SOATS

SOARS

SMSCC

SMTAS

SMOCC

SMKLS

SMIRD

SMATV

SLSMS

SISWG

SIMAS

SHLDR

SHOOT

SHEAL

SFPPL

SEPAC

SEADS

SCHEM

SCGSS

SCARS

SAMTO

SAMSO

SAAMA

RTADS

RQMTS

ROSES

ROSAT

RETRO

REREX

RESIS

REINF

REGEN

REEDA

RECRC

RECOV

RECON

RECOG

REBAR

REACQ

RDOUT

RCHCS

RATCC

RAISE

RALPH

QUADS

PRTLS

PRSDS

PROTO

PRACA

PPCO2

PORDA

POREP

PLGSS

PIECP

PGNCS

PFMEA

PERTO

PCMMU

PARAM

PAM-D

OSTDS

OSCRS

ORIEN

NRZ-L

NEXUS

MTOGW

MTBMA

MTASS

MSSTA

MSBLS

MMS-F

MMACS

MISSE

METRO

MDSCC

MDI-M

MATCO

MASMP

MARGO

MAINT

LSSRC

LPLWS

LOFAR

LOACS

LBNPD

LAURA

LACIE

KSCAP

JPDRD

JAEIC

JACEE

ITRDS

IPTCS

IPACS

IOBPS

INTCP

IMPLS

ILLUM

IFASC

HPOTP

HPFTP

HORIZ

HIPPS

HAINS

GUIDO

GSIRD

GOMMS

GOODS

GNCIS

GLAST

GFGAS

GDSCC

GDCLS

FWWMS

FPSSH

FOLAN

FLUOR

FDMDA

FAUST

FAMOS

EXTER

EVLSS

ESDIS

ESDOC

ERS-1

EQUIV

EPDCS

EOPAP

ENVIR

ENGRG

EMPGS

ELACS

EICAS

EECOM

ECLSS

DSCIM

DRIRU

DISTR

DISCH

DISAP

DIMES

DIRBE

DIPEC

DFVLR

DEMOD

DEAPS

DEACT

DCPEI

DBGMP

DACBU

DAAWG

CWFSP

CRSVR

CRSFD

CRRES

CRISM

CPDDS

CPCEI

COSTR

COORD

CONTR

CONDR

CONCN

COMPR

COMPT

COMAS

COMAT

CNWDI

CMPTR

CMACS

CLDST

CKAFS

CIRHS

CHUTE

CHMBR

CHECS

CFSTI

CFLSE

CELSS

CDSCC

CDPIS

CCATS

CBRF3

CBACS

CARID

CADSI

CACON

BI0-L

BFZES

ATTCS

ASTID

APPCM

CDBFR

AOCMS

AMPTE

AMOOS

AGOSS

AFZES

AFSSD

AFSIG

AFRPL

AFRSI

AFPRO

AFETR

AFFTC

AFDCP

AFALD

ACRBC

ACCMS

ABHRS

2MASS

TACIS

WCPLS

ECOHR

WPPSS

WINCO

WIMCO

WFSGI

WEFSE

WDSHE

WBNPP

WBDFC

WAWGG

WAPDA

WABCO

VBVRS

USPCI

USMTC

USMBC

USDCO

UISER

TIBCO

TEPCO

TANSI

TAARS

STAAR

SPEAG

SPECS

SOCAR

SNECS

SLSDC

SITEC

SISCO

SEOSS

SEDCO

SCREA

SCHIP

SCICA

SAGIC

SAFMA

SAERC

SABIC

SABER

RMSPS

RKEPB

REMIC

REMCO

REBAC

RAPRA

QECIS

PVGAS

POSCO

PNLAP

PINES

PIDEC

PICIC

PARCO

PAIFA

OPTCL

OHSAS

ODBEC

NYNEX

NWBOC

NPROS

NPCIL

NOWRA

NOKIA

NOIDA

NOCSA

NICSI

NIACL

NETAC

NEDFI

NECSC

NECCO

NCIMB

NASDC

NAIMS

NACHA

NACIL

NABEC

MVEMS

MEDIC

MEDEC

MAFSS

LESCO

LEADR

LAFCO

KMFMS

KITCO

KATTS

KAPCO

JEBCO

ITSMA

ITIDA

IRPPL

IRIPL

IPGCL

INSAI

IMRSA

IGDAS

IEICE

IDCSI

HUDCO

HEDIC

FDNWS

ETCOM

EMCON

ELCAN

GWRDC

GIPEA

GEICO

GEFMA

GCFGA

GATTS

G2SYS

FIDIC

EDACS

ECITS

EAANA

DTDTS

DSDHA

DRMEC

DNATA

DMEES

DMALC

DLPDS

DITTA

DESCO

DELCO

DBTAC

DBTCA

CREIA

CRDTC

COMSA

COMAC

COGAP

CMPIC

CKFRP

CITIC

CIGNA

CIBIL

CFSAA

CETEC

CAPTA

CAHBA

BLAIL

BKMEA

BIFMA

BGTCC

BDMSC

BCMDA

BCHBA

BCBSF

BALIC

AVVNL

ASESA

AREIT

APTMA

APSCL

APPRO

APCMA

ANSYS

ANICO

ANFIS

AMWAY

AMPOL

AMBEV

AGFIF

ADNOC

ACRTA

AACVB

RCPCH

NTLDR

WOMAN

ISPSD

FTFFA

JCHMT

TDEAT

SPAIN

ROIAL

TRALI

NAILE

TSETT

EONIA

SUBST

ISUMA

SOSIG

GPASS

APROP

BACUP

YGBSM

YLSED

OFVGA

PACAF

PAACE

OTMOP

OTJAG

OTH-B

OSINT

OSIFA

ORSMC

OPTAR

OPORD

OPFAC

OMGUS

OMFTS

OMFAC

OMCVD

OHEAC

OCJCS

OAFME

NZRAF

NYVER

NWISS

NWARS

NVEOD

NVEOL

NSWTG

NSTUD

NSTDR

NSDAB

NSCID

NSAWC

NOMEN

NOACT

NNPTC

NMTB2

NMIPC

NMAWC

NLABS

NICOP

NGFSM

NFESC

NFAAS

NEWCS

NEWAC

NEREP

NDDOC

NCRCG

NCOES

NCFSU

NCAGS

NBCRS

NARAC

NAP-D

NACSI

NAFFS

MUVES

MUFTI

MTTRF

MTIAC

MTBCF

MSTAR

MSNAP

MSIAC