spongin

noun spon·gin \ˈspən-jən\

Definition of SPONGIN

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

See spongin defined for kids

German, from Latin spongia sponge

First Known Use: circa 1868

Medical Dictionary

noun spon·gin \ˈspən-jən\

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

Next Word in the Dictionary: sponging housePrevious Word in the Dictionary: spongilyAll Words Near: spongin

What made you want to look up spongin? Please tell us where you read or heard it (including the quote, if possible).

Put-downs with flair

How to use a word that (literally) drives some people nuts.

Test your vocab with our fun, fast game

Ailurophobia, and 9 other unusual fears