intercom
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in·ter·com

noun \ˈin-tər-ˌkäm\

Definition of INTERCOM

: a two-way communication system with a microphone and loudspeaker at each station for localized use

Examples of INTERCOM

  1. I heard my name called on the intercom.
  2. His secretary's voice came over the intercom, telling him that he had a visitor.

Origin of INTERCOM

short for intercommunication system
First Known Use: 1940

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