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fibroin

[ fahy-broh-in ]

noun

, Biochemistry.
  1. an indigestible protein that is a principal component of spider webs and silk.


fibroin

/ ˈfaɪbrəʊɪn /

noun

  1. a tough elastic protein that is the principal component of spiders' webs and raw silk
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of fibroin1

1860–65; < French fibroïne; fibro-, -in 2
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Example Sentences

Fibroin: a chemical compound found in silk, cobwebs and the like.

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