neologism
noun/niˈɒlədʒɪzəm/
/niˈɑːlədʒɪzəm/
(formal)- a new word or expression or a new meaning of a wordTopics Languagec2Word Originearly 19th cent.: from French néologisme.
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neologism
Definition of neologism noun from the Oxford Advanced Learner's Dictionary