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public-address system

[puhb-lik-uh-dres] /ˈpʌb lɪk əˈdrɛs/
noun
1.
a combination of electronic devices that makes sound audible via loudspeakers to many people, as in an auditorium or out of doors.
Also called PA system, P.A. system, p.a. system.
Origin
1920-1925
1920-25
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for public-address system

public-address system

noun
1.
a system of one or more microphones, amplifiers, and loudspeakers for increasing the sound level of speech or music, used in auditoriums, public gatherings, etc Sometimes shortened to PA system
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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