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telethon

[ tel-uh-thon ]
/ ˈtɛl əˌθɒn /
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noun
a television broadcast lasting several hours, especially one soliciting support for a charity.
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Origin of telethon

1945–50; tele-1 + -thon
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use telethon in a sentence

British Dictionary definitions for telethon

telethon
/ (ˈtɛləˌθɒn) /

noun
a lengthy television programme to raise charity funds, etc

Word Origin for telethon

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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