apostrophe - definition and synonyms

 
noun [countable] linguistics 

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/əˈpɒstrəfi/
singularapostrophe
pluralapostrophes
  1. the symbolused in writing. In English, it marks the possessive form of a noun, for exampleBob’s car’, or a place where one or more letters have been removed from a word or phrase, for example ‘isn’t’.