Relating to or consisting of acronyms; expressed in the form of an acronym.
From 'acronym' (a word formed from first letters of other words) plus the suffix '-ic.' The word 'acronym' itself came from Greek 'akron' (peak) and '-onym' (name) in the 1940s.
Acronyms exploded after World War II when NASA, CIA, and other government agencies needed quick shorthand—before that, most people didn't use acronymic language at all!
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