AD adverb, noun definition, meaning - what is AD adverb, noun in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

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English definition of “AD”

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AD

adverb uk   us   /ˌeɪˈdiː/

AD adverb (CALENDAR)

abbreviation for Anno Domini: used in the Christian calendar when referring to a year after Jesus Christ was born: in 1215 AD/AD 1215 during the seventh century AD
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AD

noun [U]

AD noun [U] (BRAIN DISEASE)

specialized medical abbreviation for Alzheimer's Disease
(Definition of AD adverb, noun from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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