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telethon

[tel-uh-thon] /ˈtɛl əˌθɒn/
noun
1.
a television broadcast lasting several hours, especially one soliciting support for a charity.
Origin
1945-1950
1945-50; tele-1 + -thon
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for telethon

telethon

/ˈtɛləˌθɒn/
noun
1.
a lengthy television programme to raise charity funds, etc
Word Origin
C20: from tele- + marathon
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 telethon
n.

prolonged TV fundraiser, 1949, from tele(vision) + (mara)thon (see -athon). Milton Berle's 16-hour television cancer fundraiser in April 1949 might have been the first to be so called.

Online Etymology Dictionary, © 2010 Douglas Harper
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11
12
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