Definition of conchiolin in English:

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conchiolin

Pronunciation: /ˈkɒntʃɪə(ʊ)lɪn/

noun

[mass noun] Zoology
A tough, insoluble protein secreted by molluscs, forming the organic matrix of the shell within which calcium carbonate is deposited.
Example sentences
  • Moreover, the chambers were divided by a system of numerous intracameral layers of conchiolin and protein.
  • The core of those structures is made of a protein called conchiolin, a common component of many mollusk shells.
  • Tropical shells tend to have higher metabolic and growth rates with higher conchiolin content.

Origin

Late 19th century: from Latin concha 'shell' + the diminutive suffix -iola + -in1.

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