Word.ws English Dictionary

spongin

spongin noun: 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.

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.

Forms of spongin

pluralspongins

Origin of spongin

From sponge + -in.

Questions about spongin

What does spongin mean?
Spongin means 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.
What part of speech is spongin?
Spongin is a noun.
What is the plural of spongin?
The plural of spongin is spongins.

Words near spongin in the dictionary

  1. spongillaflies
  2. spongillafly
  3. spongillid
  4. spongillids
  5. spongily
  6. spongin
  7. sponginess
  8. sponging
  9. sponging down
  10. sponging house
  11. sponging houses

Source and license

Adapted from Wiktionary: spongin (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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