noun, plural ABC's, ABCs.


Trademark. American Broadcasting Companies: a television and radio network.
atomic, biological, and chemical: ABC warfare.


Advance Booking Charter.
Alcoholic Beverage Control.


or ABCs


noun (used with a plural verb)

Also ABC. the alphabet.
the basic skills of spelling, reading, and writing: learning the ABC's in the early grades of school.
Also ABC. the basic or elementary facts, principles, etc., of a subject: the ABC's of electricity. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for abc

British Dictionary definitions for abc




(plural in US) the rudiments of a subject
an alphabetical guide to a subject
(often plural in US) the alphabet



abbreviation for

(formerly, of weapons or warfare) atomic, biological, and chemical
Australian Broadcasting Corporation
American Broadcasting Company
Audit Bureau of Circulation
Australian Australian-born Chinese: a person with Chinese parents, born and raised in Australia
US American-born Chinese: a person with Chinese parents, born and raised in the US
British acceptable behaviour contract: a voluntary written agreement between someone who has been involved in anti-social behaviour and a local agency such as a housing association, council, or police
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for abc


"the alphabet," late 13c., abece. Sense "rudiments or fundamentals (of a subject)" is from late 14c. From 1944 (in a "Billboard" headline) as a shortening of American Broadcasting Company. Related: ABCs.

Online Etymology Dictionary, © 2010 Douglas Harper