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[in-ter-kom] /ˈɪn tərˌkɒm/
noun, Informal.
an intercommunication system.
a microphone or receiver of an intercommunication system.
Origin of intercom
1935-40; by shortening Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for intercom
Contemporary Examples
Historical Examples
  • As Thane lined up the pirate again, the intercom said, "Five seconds to warp-line!"

    Evil Out of Onzar Mark Ganes
  • Lee Gorman looked at the intercom on his desk as though it had snapped at him.

    The Big Tomorrow Paul Lohrman
  • He clicked off the teleceiver and turned back to the intercom.

    Stand by for Mars! Carey Rockwell
  • He picked up the first card, and dialed the man's intercom number.

    Eight Keys to Eden Mark Irvin Clifton
  • The intercom buzzed again, and Gelsen irritably punched a button.

    Watchbird Robert Sheckley
  • In one quick movement, he spun his chair around and jabbed at the intercom.

    Alien Offer Al Sevcik
British Dictionary definitions for intercom


(informal) an internal telephone system for communicating within a building, an aircraft, etc
Word Origin
C20: short for intercommunication
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 intercom

1940, colloquial shortening of intercommunication (mid-15c., "discussion, conference;" see inter- + communication), which is attested from 1911 in reference to systems of linked telephones.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for intercom



An intercommunication system: Marc yelled into the intercom (1940s+)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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intercom in Technology
The assembly language for the G-15.
Versions: INTERCOM 101, INTERCOM 1000.
[Listed in CACM 2(5):16, May 1959].
The Free On-line Dictionary of Computing, © Denis Howe 2010
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