conchiolin
noun
con·chi·o·lin
variants or less commonly conchyolin
käŋˈkīələ̇n also kȯŋ-
plural -s
: a scleroprotein forming the organic basis of mollusk shells (as mother-of-pearl) see nacre sense 2
Word History
Etymology
conchiolin from conch- + -i- + -ol + -in; conchyolin alteration of conchiolin