Definition of "interphone" [interphone]

• A telephone used in a small closed system of telephones: "The sergeant lifted the interphone and told the pilot that the door was properly sealed” ( Tom Clancy). (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "There's an international study called the interphone study that is starting to get some data back looking at several different countries, and they are finding a slightly higher brain tumor risk with people who use cell phones."
• "Because he was talking with the interphone, we did not talk in details."
• "The interphone clicked off the attacks easily and accurately."