SAD noun [ U ]
abbreviation for seasonal affective disorder: a medical condition
in which a person does not have much energy and enthusiasm during the winter
because of the reduced period of natural light
sae , US SAE noun
[ C ] ( US also SASE ) abbreviation FOR
stamped addressed envelope or self-addressed
envelope: an envelope with a stamp and your name and address on it,
which you send inside another envelope to an organization when you want
a reply
Write to the above address, enclosing an sae.
SALT noun
[ U ]
abbreviation for Strategic Arms Limitation Talks: a series of
discussions between the US and the USSR that took place from 1969 to 1979 and
aimed to limit the number of nuclear weapons
SAM noun
[ C ]
abbreviation for surface-to-air missile
SARS noun
[ U ]
abbreviation for Severe Acute Respiratory Syndrome: a serious
infectious illness which causes difficulty in breathing and sometimes death
SASE noun
[ C ] ( UK sae )
US abbreviation for self-addressed stamped envelope: an envelope with
a stamp and your name and address on it, which you send inside another envelope
to an organization when you want a reply
Please enclose an SASE with your application.
SAT noun
[ C ] UK EDUCATION
1. abbreviation
for Standard Assessment Task: a test taken by children in England and
Wales at the ages of 7, 11, 14, and 16 to find out the level of the National
Curriculum that they have reached
SATs results
SAT noun
[ C ] US EDUCATION
2. trademark
abbreviation for Scholastic Aptitude Test: a test taken in the US to
measure students' abilities before they go to college
SATNAV noun
[ U ]
abbreviation for satellite navigation: a system of computers and satellites
, used in cars and other places that tell you where something is, where you
are, or how to get to a place
Many cars are now fitted with SATNAV.
SDI noun
[ U ] ( informal
Star Wars )
abbreviation for Strategic Defense Initiative: a plan to defend
the US from enemy nuclear weapons by destroying them in space
SEN
abbreviation for special educational needs: the term for special
needs (= the needs of people with particular disabilities or problems)
relating specifically to education
SF noun
[ U ]
abbreviation for science fiction
SGML noun
[ U ]
abbreviation for standard generalized markup language: a system
for organizing and marking parts of a computer document
SI , noun [ U ] specialized
abbreviation for Système International: the international system
of units used for scientific measurements, with standard base units such as the
metre and the kilogram
The SI unit of electric current is the
ampere.
SIDS noun
[ U ] ( also cot death )
abbreviation for sudden infant death syndrome: a medical
condition in which a baby dies suddenly while it is sleeping for no obvious
reason
sing noun
, adjective
abbreviation for singular
S&M noun
[ U ] , adjective
abbreviation for sadomasochism or sadomasochistic
SMS noun
[ U ]
abbreviation for short message service: a system for sending text
messages from one mobile phone to another
SMTP noun
[ U ] specialized abbreviation
for
Simple Mail Transfer Protocol: a way of sending
emails between computers
S.O.B. noun
[ C usually singular ]
abbreviation for son of a bitch
SPF noun
[ C ]
abbreviation for sun protection factor: the letters on a bottle
of sunscreen (= substance which prevents the skin from burning in the
sun) which show how effective the sunscreen is
SS noun
abbreviation for steamship
STD noun
DISEASE
1. [ C ] abbreviation
for sexually transmitted disease
STD noun
TELEPHONE
2. [ U ] abbreviation
for subscriber trunk dialling: a system in Britain and Australia by
which people make telephone calls over long distances
SWOT noun
[ U ]
abbreviation for strengths, weaknesses, opportunities, threats: a
way of considering all the good and bad features of a business situation or a
company
a SWOT analysis
TAFN , tafn
internet abbreviation
for that's all for now: used
at the end of an email or when you finish taking part in a discussion in a chat
room
tan abbreviation
written abbreviation for
tangent (TRIANGLE)
TB noun
[ U ]
abbreviation for tuberculosis
tech adjective
, noun [ U ]
abbreviation for technical or technology
TEFL noun
[ U ]
abbreviation for Teaching English as a Foreign Language
TESL noun
[ U ]
abbreviation for Teaching English as a Second Language
TESSA noun
[ C ]
abbreviation for Tax Exempt Special Savings Account: a British
savings account, replaced by the ISA in 1999, in which no tax was paid
if the investment was kept for five years
THX , thx
internet abbreviation
for thanks
TIA , tia
internet abbreviation
for thanks in advance: used
in an email when you ask somebody for information or want them to do something
for you
TLA
abbreviation for three-letter abbreviation: a phrase that is
often shortened to three letters
FAQ and PFI are TLAs.
TLC noun
[ U ]
informal abbreviation
for tender loving care:
kindness, love and attention
He'll need a lot of TLC when he gets out of
hospital.
TOEFL noun
[ U ]
trademark abbreviation for
Test of English as a
Foreign Language: an examination of English for speakers of other languages
TPTB , tptb
internet abbreviation
for the powers that be: used
when you are referring to people who have authority and control
If it were up to me, I'd say yes, but I'll have
to check with TPTB.
TTFN , ttfn
internet abbreviation
for ta-ta for now: a way of
saying goodbye at the end of an email
TV noun
[ C or U ]
abbreviation for television
We ate in front of (= while watching) the
TV.
What's on TV tonight?
You watch too much TV!
TV personalities
UFO noun
[ C ]
abbreviation for unidentified flying object: an object seen in
the sky which is thought to be a spacecraft from another planet
Several UFO sightings have been reported.
UHF noun
[ U ]
abbreviation for ultrahigh frequency: radio waves between 300 MHz
and 3000 MHz
UHT adjective
[ before noun ]
UK abbreviation for ultra heat treated: describes milk that has been
heated to a very high temperature so that it will last for a long time if it is
kept in a container that has not been opened, or a product made from this
UHT milk/cream
UNESCO ,
Unesco noun [ U + sing/pl verb ]
abbreviation for United Nations Educational, Scientific and
Cultural Organization: a department of the United Nations which aims to
encourage peace between countries through education, science and culture
UNICEF noun
[ U + sing/pl verb ]
abbreviation for United Nations Children's Fund: a department of
the United Nations whose aim is improving children's health and education,
especially in poor countries
URL noun
[ C ]
abbreviation for uniform resource locator: a website address
USB noun
[ C ] abbreviation for
Universal Serial Bus: a part of a computer to
which extra devices such as printers, scanners and digital cameras can be
connected easily without restarting the system
a USB port
USP noun
[ C ]
abbreviation for unique selling proposition: a feature of a
product that makes it different from and better than other similar products and
that can be emphasized in advertisements for the product
USS
abbreviation for United States Ship: used before the names of
ships in the US navy
He was a radio technician aboard the USS
Missouri.
UV adjective
abbreviation for ultraviolet
UV light
v preposition ( also vs )
1. abbreviation
for versus
I need to consider the advantages v the
disadvantages.
VC noun
[ C usually singular ]
UK abbreviation for Victoria Cross: a medal which is the
highest honour for bravery that can be given to a British soldier, or a soldier
who has received this medal
My grandfather was awarded the VC.
VD noun
[ U ]
abbreviation for venereal disease: a disease that is spread
through sexual activity with an infected person
VDT noun
[ C ]
US abbreviation for video display terminal: a piece of equipment
with a screen on which information from a computer can be shown
VDU noun
[ C ]
UK abbreviation for visual display unit: a piece of equipment with a
screen on which information from a computer can be shown
VHF noun
[ U ]
abbreviation for very high frequency: radio waves between 30 to
300 MHz
a VHF radio/transmitter/frequency
VHS noun
[ U ]
trademark abbreviation
for Video Home System: the
standard system for video recorders used at home
VoIP noun
[ U ] specialized abbreviation
for
Voice over Internet Protocol: technology that
allows people to make telephone calls over the Internet
WAN noun
[ C ] specialized abbreviation
for
Wide Area Network: a computer network that
connects separate machines over a wide area, for example in different
countries, using telecommunication systems
WAP noun
[ U ]
abbreviation for Wireless Applicaton Protocol: a system which
allows you to use the Internet using a type of mobile phone
WC noun
[ C ]
UK abbreviation for water closet: a toilet, or a room containing a
toilet
The wooden staircase leads to three bedrooms,
the bathroom, and a separate WC.
WMD
abbreviation for weapons of mass destruction: weapons, like
nuclear bombs, which cause a lot of damage and kill many people
WPC noun
[ C ]
UK abbreviation for woman police constable: a female police officer
of the lowest rank
WPC (Andrea) Watson
WRAC noun
1. [ S + singular or plural verb ] abbreviation for Women's Royal Army
Corps
WRAC noun
2. [ C ] abbreviation
a member of the Women's Royal Army Corps
WRAF noun
1. [ S + singular or plural verb ] abbreviation for Women's Royal Air Force
WRAF noun
2. [ C ] abbreviation
a member of the Women's Royal Air Force
www noun
[ S ]
abbreviation for the World Wide Web
Visit the Cambridge University Press website at
www.cambridge.org
WYSIWYG ,
wysiwyg adjective
specialized abbreviation
for what you see is what you
get: describes an image on a computer screen that is exactly the same when it
is printed
XHTML noun
[ U ] trademark abbreviation
for
extensible hypertext markup language: a way of marking
text to be shown on computer systems and the Internet
XML noun
[ U ]
trademark abbreviation
for extensible mark up
language: a way of marking text to be shown in computer systems
Y2K noun
[ U ]
abbreviation for the year 2000
YMMV , ymmv
internet abbreviation
for your mileage may vary:
used to warn people that a piece of advice, although it has helped you, might
not help them, or to say that different things are attractive to different
people
Their first album is better, but of course YMMV.
4x4 noun
[ C or U ]
abbreviation for four-wheel drive : a vehicle that has power
supplied by the engine to all four wheels so that it can travel easily over
difficult ground
ˈ air ˌ con noun
[ U ] UK abbreviation for
air conditioning
the BNP noun
[ S + sing/pl verb ]
abbreviation for British National Party: a political organization
which believes that foreigners should not live in Britain
CD-ROM noun
[ C or U ]
abbreviation for compact disc read-only memory: a compact disc
that holds large amounts of information that can be read by a computer but
cannot be changed
Cambridge dictionaries are available on CD-ROM.
CD-RW noun
[ C ]
abbreviation for compact disc re-writable: an empty compact
disc which you can use to record information on and read information from,
using a special type of drive (= computer device)
This software allows you to write files from
compatible CD-RW drives.
the CIA noun
[ S + sing/pl verb ]
abbreviation for the Central Intelligence Agency: a US government
organization which secretly collects information about other countries
C-in-C noun
[ C ]
abbreviation for commander-in-chief
ˌ C of ˈ E adjective , noun [ U ]
abbreviation for the Church of England
a C of E service
the CSA noun
abbreviation for the Child Support Agency: a British government
organization that makes parents who do not live with their children continue to
pay for their living costs
Ctrl (key)
abbreviation for control (key)
ˌ D and ˈ C noun [ C ]
specialized abbreviation
for dilatation and
curettage: an operation in which the inside surface of a woman's womb is
removed for medical reasons
the DTs plural
noun
informal abbreviation
for delirium tremens: a
physical condition, caused by drinking too much alcohol over a long period, in
which someone shakes uncontrollably and sees imaginary things
He's got a bad case of the DTs.
the EC noun
[ S + sing/pl verb ]
abbreviation for the European Community
E coli noun
[ U ]
abbreviation for Escherichia coli: a bacterium (= small
organism) that can exist in food which has not been cooked enough and can cause
serious illness or death
et al.
specialized abbreviation
for et alia: and others. It
is used in formal writing to avoid a long list of names of people who have
written something together
The method is described in an article by Feynman
et al.
the EU noun
[ S + sing/pl verb ]
abbreviation for the European Union
the FA noun
[ S ]
abbreviation for the Football Association: the national
organization for football in England
the FBI noun
[ S + sing/pl verb ]
abbreviation for the Federal Bureau of Investigation: one of the
national police forces in the US controlled by the central government
the FT noun
[ S ]
trademark abbreviation
for the Financial Times: a
British newspaper for people who are interested in finance, business and economics
the GOP noun
[ S ]
abbreviation for the Grand Old Party: the Republican political
party in the US
hi-fi noun
2. [ U ] abbreviation
for high fidelity
ICE (number) noun [ C ]
abbreviation for in case of emergency: the telephone number of a
friend or family member that should be told if you suddenly become ill or are
involved in an accident
the IMF noun
[ S ]
abbreviation for the International Monetary Fund: a part of the
United Nations which encourages international trade and gives financial help to
poor countries
the IOC noun
[ S ]
abbreviation for the International Olympic Committee
I ˈ P a ˌ ddress noun [ C ] ( also IP number ) abbreviation
for
Internet Protocol Address: a number which is
given to each computer when it is connected to the Internet
the IRA noun
[ S + sing/pl verb ]
abbreviation for the Irish Republican Army: an illegal
organization which wants Northern Ireland to be politically independent of the
UK and united with the Republic of Ireland
the KKK noun
[ S ]
abbreviation for the Ku Klux Klan
lit crit noun [ U ]
abbreviation for literary criticism
low-fi adjective
1. abbreviation
for low fidelity: the production by electrical equipment of poor quality
sound that has noises which should not be there
the Met noun
[ S + sing/pl verb ]
abbreviation for the Metropolitan Police
the ˌ Mo ˈ D noun [ S + sing/pl verb ]
abbreviation for the Ministry of Defence: the British government
department that is responsible for defence, military activities, and the armed
forces
the Net noun
[ S ]
abbreviation for the Internet
I've found a really useful website about
allergies on the Net.
the NHS noun
[ S ]
abbreviation for the National Health Service
Many forms of cosmetic surgery are not available
on (= paid for by) the NHS.
ob-gyn noun
[ C ]
US informal abbreviation
for obstetrician-gynecologist:
a medical specialist who deals with pregnancy, birth, and women's reproductive
diseases
op. cit. adverb formal
abbreviation
used by writers to avoid repeating the details
of a book or article that has already been referred to
Johnson (op. cit., page 53) calls this
phenomenon 'the principle of minimal effort'.
ˈ PIN ( ˌ number) noun
[ C ]
abbreviation for personal identification number : a secret number
which a person uses together with a special card to get money from their bank
account from a machine outside the bank
---
the RAF noun
[ S + sing/pl verb ]
abbreviation for the Royal Air Force: the air force of the United
Kingdom
He was in the RAF for thirty years.
R & B noun [ U ]
abbreviation for rhythm and blues
ˌ R and ˈ D noun [ U ]
abbreviation for research and development: the part of a business
that tries to find ways to improve existing products, and to develop new ones
If we want to get ahead of our competitors, we
ought to invest more in R and D.
the RCMP noun [ S + sing/pl verb ]
abbreviation for the Royal Canadian Mounted Police
rom com noun
[ C or U ]
abbreviation for romantic comedy: a film or television programme
about love, that is intended to make you laugh
Rt. Hon.
abbreviation for Right Honourable: a title given to important
British officials such as Privy Councillors and members of the
government
the Rt. Hon. Judith Smith MP
the SAS noun
[ S + sing/pl verb ]
abbreviation for the Special Air Service: a part of the British
Army that has been specially trained for secret or very dangerous military
activities
the SDLP noun [ S + sing/pl verb ]
abbreviation for the Social and Democratic Labour Party: a
political party in Northern Ireland which supports union with the
Republic of Ireland by peaceful methods
SLR (camera) noun [ C ]
abbreviation for single-lens reflex (camera): a type of film
camera in which the same lens (= special piece of glass) is used for
looking at and recording an image
the TUC noun
[ S ]
abbreviation for the Trades Union Congress: an organization for
British trade unions which has a large meeting every year
the UAE noun
[ S ]
abbreviation for the United Arab Emirates
----------
the UN noun
[ S + sing/pl verb ]
abbreviation for the United Nations: an international
organization that was established in 1945 to keep world peace
The UN has decided to impose sanctions.
the US noun
[ S + sing/pl verb ]
abbreviation for the United States
A new study of education in the US has just been
published.
When did you become a US citizen?
the USA noun
[ S + sing/pl verb ]
abbreviation for the United States of America
the USAF noun [ S + sing/plural verb ]
abbreviation for the United States Air Force
the USN noun
[ S + sing/pl verb ]
abbreviation for the United States Navy
the USSR noun [ S ]
abbreviation for the Union of Soviet Socialist Republics
the WHO noun
[ S + sing/pl verb ]
abbreviation for the World Health Organization
the WI noun
[ S + sing/pl verb ]
abbreviation for the Women's Institute
the WRNS noun [ S ]
abbreviation for the Women's Royal Naval Reserve
the WSPA noun [ S ]
abbreviation for the World Society for the Protection of Animals
the WWF noun
[ S ]
abbreviation for the Worldwide Fund for Nature
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