Definition of conchiolin in English:

conchiolin

Syllabification: con·chi·o·lin
Pronunciation: /käNGˈkīəlin
 
/

noun

Zoology
  • A tough, insoluble protein secreted by mollusks, forming the organic matrix of the shell within which calcium carbonate is deposited.
    More 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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a small amount; a little