Acronym means the word inwitch a word
An acronym is a word using the first letter of each word in a phrase or description for example RADAR was coined in 1941 as an acronym for radio detection and ranging.
: a word (as NATO, radar, or laser) formed from the initial letter or letters of each of the successive parts or major parts of a compound term
; also : an abbreviation (as FBI
; also : an abbreviation (as FBI