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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
First recorded in 1935-40; by shortening Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for intercom
Contemporary Examples
Historical Examples
  • Lee Gorman looked at the intercom on his desk as though it had snapped at him.

    The Big Tomorrow Paul Lohrman
  • In his Fort, Allison drawled over the intercom, "Pilot to navigator."

  • The intercom buzzed again, and Gelsen irritably punched a button.

    Watchbird Robert Sheckley
  • Johnson spoke casually, but his voice in the intercom was thin with tension.


    Irving W. Lande
  • Forster recognized the voice on the intercom as Tom Summerford's.

  • Hesitantly, he reached out and touched a button on the intercom.

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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