spongin

[ spuhn-jin ]
/ ˈspʌn dʒɪn /

noun

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

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Origin of spongin

First recorded in 1865–70; sponge + -in2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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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