conchiolinPronunciation: /ˈkɒntʃɪə(ʊ)lɪn/Definition of conchiolin noun [mass noun] Zoology a tough, insoluble protein secreted by molluscs, forming the organic matrix of the shell within which calcium carbonate is deposited. Origin: late 19th century: from Latin concha 'shell' + the diminutive suffix -iola + -in1conchiolin in other Oxford dictionaries Definition of conchiolin in the US English dictionary
