spongin

noun
spon·​gin | \ ˈspən-jən \

Definition of spongin

: a scleroprotein that is the chief constituent of flexible fibers found in certain sponge skeletons

First Known Use of spongin

circa 1868, in the meaning defined above

History and Etymology for spongin

German, from Latin spongia sponge

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The first known use of spongin was circa 1868

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More Definitions for spongin

spongin

noun
spon·​gin | \ ˈspən-jən \

Medical Definition of spongin

: a scleroprotein that is the chief constituent of flexible fibers in sponge skeletons

More from Merriam-Webster on spongin

Rhyming Dictionary: Words that rhyme with spongin

Britannica.com: Encyclopedia article about spongin

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