Fibroin definition

fībrō-ĭn
An insoluble white protein that is the essential component of raw silk and spider-web filaments.
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A pale-yellow, albuminoid protein forming almost the entire thread of a spider and the core of raw silk.
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An insoluble white protein that is the essential component of raw silk and spider-web filaments.
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(biochemistry) A tough elastic protein that is the main component of silk and of spider's webs.
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Other Word Forms

Noun

Singular:
fibroin
Plural:
fibroins