SPONGIN

Etymology

Noun

spongin (plural spongins)

A horny, sulfur-containing protein, related to keratin, that forms the skeletal structure of certain classes of sponges. A proteinaceous compound of which the spicules in Demospongiae are composed.

Anagrams

• nonpigs

Source: Wiktionary

Spon"gin, n. (Physiol. Chem.)

Definition: The chemical basis of sponge tissue, a nitrogenous, hornlike substance which on decomposition with sulphuric acid yields leucin and glycocoll.

Source: Webster’s Unabridged Dictionary 1913 Edition

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