Apostrophe is a punctuation mark used to indicate possessive case, contractions, or omitted letters in writing. It also appears in technical terms to denote certain plurals or special forms. The term refers to the symbol ’ and its use clarifies meaning, tone, and ellipsis in text. It is pronounced as a two-syllable word with stress on the second syllable: uh-PAH-strōf (US) or uh-PAH-strohf (UK/AU) depending on accent.
Full pronunciation guide
