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[meg-uh-fohn] /ˈmɛg əˌfoʊn/
a cone-shaped device for magnifying or directing the voice, chiefly used in addressing a large audience out of doors or in calling to someone at a distance.
Compare bullhorn.
verb (used with or without object), megaphoned, megaphoning.
to transmit or speak through or as if through a megaphone.
Origin of megaphone
An Americanism dating back to 1875-80; mega- + -phone
Related forms
[meg-uh-fon-ik] /ˌmɛg əˈfɒn ɪk/ (Show IPA),
megaphonically, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for megaphone
Contemporary Examples
Historical Examples
  • The captain suddenly shouted through a megaphone: "Pull him the other way!"

    The Life of Mrs. Robert Louis Stevenson Nellie van De Grift Sanchez
  • Is this something you dreamed, Snick,” says I, “or is it a sample of your megaphone talk?

    Odd Numbers Sewell Ford
  • A man with a megaphone appeared on her poop deck 93 and leveled the instrument at the little group by the wheel.

    The Harbor of Doubt Frank Williams
  • Jim tossed his megaphone to the cement engineer and ran to meet the men.

    Still Jim Honor Willsie Morrow
  • The Captain made a megaphone of her hands and shouted: Never mind!

    Girl Scouts at Dandelion Camp Lillian Elizabeth Roy
British Dictionary definitions for megaphone


a funnel-shaped instrument used to amplify the voice See also loud-hailer
Derived Forms
megaphonic (ˌmɛɡəˈfɒnɪk) adjective
megaphonically, adverb
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 megaphone

1878, coined (perhaps by Thomas Edison, who invented it) from Greek megas "great" (see mega-) + phone "voice" (see fame (n.)). Related: Megaphonic. In Greek, megalophonia meant "grandiloquence," megalophonos "loud-voiced."

Online Etymology Dictionary, © 2010 Douglas Harper
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