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spongin

[ spuhn-jin ]
/ ˈspʌn dʒɪn /
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noun

a scleroprotein occurring in the form of fibers that form the skeleton of certain sponges.

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QUIZ YOURSELF ON “THEIR,” “THERE,” AND “THEY’RE”

Are you aware how often people swap around “their,” “there,” and “they’re”? Prove you have more than a fair grasp over these commonly confused words.
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Which one of these commonly confused words can act as an adverb or a pronoun?

Origin of spongin

First recorded in 1865–70; sponge + -in2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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British Dictionary definitions for spongin

spongin
/ (ˈspʌndʒɪn) /

noun

a fibrous horny protein that forms the skeletal framework of the bath sponge and related sponges

Word Origin for spongin

C19: from German, from Latin spongia sponge + -in
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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