spongin
English
Etymology
sponge + -in
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.
References
- American Heritage Dictionary, 2006
- Cartage, 2006
Anagrams
- nonpigs