- (plural in US)
the rudiments of a subject an alphabetical guide to a subject - (often plural in US)
the alphabet
WordReference Random House Unabridged Dictionary of American English © 2025
ABC
(ā′bē′sē′),USA pronunciation n., pl. ABC's, ABCs.
ABC,
- MilitarySee ABC's (defs. 1, 3).
ABC,
- Abbreviations, Radio and TelevisionAmerican Broadcasting Companies: a television network.
- atomic, biological, and chemical:ABC warfare.
- Advance Booking Charter.
- Alcoholic Beverage Control.
- Abbreviations, Radio and TelevisionAmerican Broadcasting Companies (a television network).
Collins Concise English Dictionary © HarperCollins Publishers::
Australian Broadcasting Corporation American Broadcasting Company
'ABC' also found in these entries (note: many are not synonyms or translations):