radiothon

ra·di·o·thon

[rey-dee-oh-thon]
noun
an on-the-air radio campaign, often lasting 24 hours or more, designed to raise money for a radio station, charity, the arts, etc., as from listeners phoning in and pledging specific donations, sometimes in exchange for gifts or premiums.
Compare telethon.


Origin:
1960–65, Americanism; radio + -thon

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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Radiothon is always a great word to know.
So is quincunx. Does it mean:
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a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
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