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fibroin

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noun fi·bro·in \ˈfī-brə-wən, ˈfi-, -brō-ən\

Definition of fibroin

  1. :  an insoluble protein comprising the filaments of the raw silk fiber



Origin and Etymology of fibroin

French fibroïne, from fibr- + -ine -in


First Known Use: 1878


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