Intercom meaning

ĭntər-kŏm
An electronic intercommunication system, as between two rooms.
noun
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An electronic communication system, especially one between rooms in a building.
noun
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A radio or telephone intercommunication system, as between rooms of a building.
noun
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An abbreviation of intercommunication, an intercom system is a closed (i.e., not networked) system that allows members of a group to converse with each other. An intercom system can be standalone, although Centrex systems, key telephone systems (KTSs), and PBXs commonly feature intercom capabilities. See also Centrex, KTS, and PBX.
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Origin of intercom

  • Short for intercommunication

    From American Heritage Dictionary of the English Language, 5th Edition