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[ey-bee-see] /ˈeɪˌbiˈsi/
noun, plural ABC's, ABCs.
ABC's (defs 1, 3).


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


Advance Booking Charter.
Alcoholic Beverage Control.


[ey-bee-seez] /ˈeɪˌbiˈsiz/
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.
Also, ABCs. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for ABC
  • The track several thousand was featured on the ABC show men in trees.
  • ABC was unable to find a sponsor for the radio show and soon canceled it.
  • Public radio broadcasters ABC radio and sbs radio operate a number of stations.
British Dictionary definitions for ABC


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


(formerly, of weapons or warfare) atomic, biological, and chemical
Australian Broadcasting Corporation
American Broadcasting Company
Audit Bureau of Circulation
(Austral) 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
(Brit) 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
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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
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ABC in Technology

1. Atanasoff-Berry Computer.
2. An imperative language and programming environment from CWI, Netherlands. It is interactive, structured, high-level, and easy to learn and use. It is a general-purpose language which you might use instead of BASIC, Pascal or AWK. It is not a systems-programming language but is good for teaching or prototyping.
ABC has only five data types that can easily be combined; strong typing, yet without declarations; data limited only by memory; refinements to support top-down programming; nesting by indentation. Programs are typically around a quarter the size of the equivalent Pascal or C program, and more readable.
ABC includes a programming environment with syntax-directed editing, suggestions, persistent variables and multiple workspaces and infinite precision arithmetic.
An example function words to collect the set of all words in a document:
HOW TO RETURN words document: PUT IN collection FOR line in document: FOR word IN split line: IF word collection: INSERT word IN collection RETURN collection
Interpreter/compiler, version 1.04.01, by Leo Geurts, Lambert Meertens, Steven Pemberton . ABC has been ported to Unix, MS-DOS, Atari, Macintosh.
FTP (, FTP (, FTP uunet (
Mailing list: .
E-mail: .
["The ABC Programmer's Handbook" by Leo Geurts, Lambert Meertens and Steven Pemberton, published by Prentice-Hall (ISBN 0-13-000027-2)].
["An Alternative Simple Language and Environment for PCs" by Steven Pemberton, IEEE Software, Vol. 4, No. 1, January 1987, pp. 56-64.]
2. Argument, Basic value, C?.
An abstract machine for implementation of functional languages and its intermediate code.
[P. Koopman, "Functional Programs as Executable Specifications", 1990].
The Free On-line Dictionary of Computing, © Denis Howe 2010
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Related Abbreviations for ABC


  1. American Broadcasting Company
  2. American-born Chinese


  1. the alphabet
  2. the basics
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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