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: a scleroprotein that is the chief constituent of flexible fibers found in certain sponge skeletons
Examples of spongin in a Sentence
Recent Examples on the Web
Horny sponges, also called modern keratose demosponges, have a skeleton with three dimensional branching made of a tough organic substance called spongin.
—
Ashley Strickland, CNN, 28 July 2021
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'spongin.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
Etymology
German, from Latin spongia sponge
First Known Use
circa 1868, in the meaning defined above
Dictionary Entries Near spongin
Cite this Entry
“Spongin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spongin. Accessed 12 Sep. 2024.
Kids Definition
spongin
noun
spon·gin
ˈspən-jən
: a protein that is the main element making up the flexible fibers in sponge skeletons
More from Merriam-Webster on spongin
Britannica.com: Encyclopedia article about spongin
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