Longman Dictionary of Contemporary English homepage

Date: 1900-2000
Origin: acr- 'beginning, end' (from Greek akr-, from akros; ACROBAT) + -onym (as in homonym)

acronym

 noun
     
Related topics: Linguistics
ac‧ro‧nym [countable]
SL a word made up from the first letters of the name of something such as an organization. For example NATO is an acronym for the North Atlantic Treaty Organization.
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.
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