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loudspeaker

[loud-spee-ker] /ˈlaʊdˌspi kər/
noun
1.
any of various devices, usually electronic, by which speech, music, etc., can be intensified and made audible throughout a room, hall, or the like.
2.
Audio.
  1. a device for transforming electric signals into audible sound, most frequently used to reproduce speech and music.
  2. speaker (def 4).
Origin of loudspeaker
1880-1885
1880-85; loud + speaker
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for loudspeaker

loudspeaker

/ˌlaʊdˈspiːkə/
noun
1.
a device for converting audio-frequency signals into the equivalent sound waves by means of a vibrating conical diaphragm Sometimes shortened to speaker Also called reproducer
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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Word Origin and History for loudspeaker
n.

also loud-speaker, 1884, from loud (adj.) + speaker.

Online Etymology Dictionary, © 2010 Douglas Harper
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loudspeaker in Technology

audio, hardware
An electromechanical device for converting an electrical signal into sound.
(2008-10-09)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Word Value for loudspeaker

18
21
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