Definition of acronym in English:

acronym

Syllabification: ac·ro·nym
Pronunciation: /ˈakrəˌnim
 
/

noun

An abbreviation formed from the initial letters of other words and pronounced as a word (e.g., ASCII, NASA).
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.

Origin

1940s: from Greek akron 'end, tip' + onuma 'name', on the pattern of homonym.

Definition of acronym in:

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