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hydrophone

[hahy-druh-fohn] /ˈhaɪ drəˌfoʊn/
noun
1.
a device for locating sources of sound under water, as for detecting submarines by the noise of their engines.
2.
an instrument employing the principles of the microphone, used to detect the flow of water through a pipe.
3.
Medicine/Medical. an instrument used in auscultation, whereby sounds are intensified through a column of water.
Origin of hydrophone
1855-1860
First recorded in 1855-60; hydro-1 + -phone
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for hydrophone
Historical Examples
  • The Adriatic Sea was an ideal place for the use of the hydrophone.

    Inventions of the Great War

    A. Russell (Alexander Russell) Bond
  • Then came the store rooms and wireless and hydrophone rooms.

  • Many U-boats were chased to their doom by the aid of the American hydrophone.

    Inventions of the Great War

    A. Russell (Alexander Russell) Bond
  • The development of the hydrophone for anti-submarine work, both from ships and from shore stations.

    The Crisis of the Naval War John Rushworth Jellicoe
  • The exasperated "C 6" pursued by hydrophone for another quarter of an hour, but the sound of the enemy's motors was then lost.

    The Story of Our Submarines

    John Graham Bower
  • Nevertheless the hydrophone is a submarine instrument with a brilliant future.

    Submarine Warfare of To-day Charles W. Domville-Fife
  • The alliance between the hydrophone and the depth charge is a natural one.

    Submarine Warfare of To-day Charles W. Domville-Fife
  • There were many different types of hydrophone in use during the Great War.

    Submarine Warfare of To-day Charles W. Domville-Fife
  • There were, however, many microscopic noises of the under-seas which were picked up and magnified by this type of hydrophone.

    Submarine Warfare of To-day Charles W. Domville-Fife
  • A destroyer travelling at full speed on a calm sea, when heard on a hydrophone resembles the roar of a gigantic dynamo.

    Submarine Warfare of To-day Charles W. Domville-Fife
British Dictionary definitions for hydrophone

hydrophone

/ˈhaɪdrəˌfəʊn/
noun
1.
an electroacoustic transducer that converts sound or ultrasonic waves travelling through water into electrical oscillations
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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hydrophone in Science
hydrophone
  (hī'drə-fōn')   
A device used to detect or monitor sound under water. Hydrophones are often installed or towed in arrays that can be used to pinpoint a sound source or provide sea-floor imaging as part of a sonar system.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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