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speaking tube

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noun

a tube for conveying the voice over a somewhat limited distance, as from one part of a building or ship to another.

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Origin of speaking tube

First recorded in 1825–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use speaking tube in a sentence

British Dictionary definitions for speaking tube

speaking tube

noun

a tube or pipe for conveying a person's voice from one room, area, or building to another
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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