intercommunication system
noun
a communication system within a building, ship, airplane, local area, etc., with a loudspeaker or receiver for listening and a microphone for speaking at each of two or more points.
Origin of intercommunication system
First recorded in 1910–15
Words nearby intercommunication system
intercolonial,
intercolumniation,
intercom,
intercommon,
intercommunicate,
intercommunication system,
intercommunion,
intercommunity,
intercompany,
interconfessional,
interconnect