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English definition of “apostrophe”

apostrophe

noun [C]
 
 
/əˈpɒstrəfi/
ABSENT B2 a mark (') used to show that letters or numbers are absent: I'm (= I am) hungry. I graduated in '09 (= 2009).Punctuation
BELONGING B2 a punctuation mark (') used before the letter 's' to show that something belongs to someone or something: I drove my brother's car. Punctuation
(Definition of apostrophe from the Cambridge Learners Dictionary © Cambridge University Press)
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