spongin Hear it!

spongin definition

spon·gin (spun′jin)

noun

a sulfur-containing protein making up the resilient fibrous network that forms the skeleton in many sponges

Etymology: Ger < L spongia, sponge + Ger -in, -ine

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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