ad Meaning in the Cambridge English Dictionary
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Meaning of “ad” in the English Dictionary

"ad" in British English

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adnoun [C]

uk   us   /æd/
A1 informal for an ​advertisement: I often ​prefer the ads on TV to the ​actualprogrammes.

ADadverb

uk   us   /ˌeɪˈdiː/

ad adverb (CALENDAR)

abbreviation for Anno Domini: used in the ​Christian calendar when referring to a ​year after ​JesusChrist was ​born: in 1215 AD/AD 1215 during the seventh ​century AD
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ADnoun [U]

ad noun [U] (BRAIN DISEASE)

specialized medical abbreviation for Alzheimer's Disease
(Definition of ad from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"ad" in American English

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adnoun [C]

 us   /æd/
short form of advertisement
abbreviation for anno Domini (= in the ​year of ​God), used to show that a ​year is after the ​year in which ​JesusChrist was ​thought to have been ​born: the 12th ​century A.D. The ​Romanempireended in A.D. 476. Note: A.D. usually appears before the year and after a century.
(Definition of ad from the Cambridge Academic Content Dictionary © Cambridge University Press)

"ad" in Business English

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adnoun [C]

uk   us   /æd/ MARKETING
an ​advertisement: an ad for sth He appeared in an ad for fizzy drinks.take out/place an ad They took out a full-page ad in the ​newspaper. The ​company has beenrunning ads on Spanish-language TV ​network Telemundo. newspaper/​television/​internet ads

adadjective [only before noun]

uk   us   /æd/
advertising: Who ​created the ​concept for the ad ​campaign? ad ​executives ad ​revenue/​spending/​budget
(Definition of ad from the Cambridge Business English Dictionary © Cambridge University Press)
What is the pronunciation of ad?
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