Definition of acronym in English:


Line breaks: acro|nym
Pronunciation: /ˈakrənɪm


  • An abbreviation formed from the initial letters of other words and pronounced as a word (e.g. ASCII, NASA). Compare with initialism.
    More example sentences
    • A whole language of abbreviated words and acronyms has developed with the huge popularity of the text message.
    • There were also plenty of acronyms whose definitions were not just different versions of the same term.
    • It's now perfectly acceptable to lowercase a company name, for example, and to create words out of acronyms.


1940s: from Greek akron 'end, tip' + -onym.

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a powerful whirlpool in the sea