spongin

English

Etymology

From sponge +‎ -in.

Noun

spongin (plural spongins)

  1. 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