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spongin

From Wiktionary, the free dictionary

English

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Etymology

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From sponge +‎ -in.

Noun

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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

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  • American Heritage Dictionary, 2006
  • Cartage, 2006

Anagrams

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