FIBROIN
Noun
fibroin (plural fibroins)
(protein) A tough elastic protein that is the main component of silk and of spider's webs
Source: Wiktionary
Fi"bro*in ( or ), n. Etym: [L. fibra a fiber.] (Chem.)
Definition: A variety of gelatin; the chief ingredient of raw silk, extracted as a white amorphous mass.
Source: Webster’s Unabridged Dictionary 1913 Edition
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Word of the Day
2 July 2025
RESTITUTION
(noun) getting something back again; “upon the restitution of the book to its rightful owner the child was given a tongue lashing”
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