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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

Fibroin Sentence Examples

  • Fibroin is insoluble in water, acids and alkalies; silk-glue resembles gelatin in its solubility, but it is less readily gelatinized.

  • Typical albuminoids are gelatin, keratin, elastin, fibroin, spongin and conchiolin.

  • Silk fibre consists essentially of a centre or core of fibroin, with a covering of sericin or silk albumen, and a little waxy and colouring matter.

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Words near fibroin in the Dictionary