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conchiolin

[kong-kahy-uh-lin] /kɒŋˈkaɪ ə lɪn/
noun, Biochemistry
1.
a fibrous protein that forms the iridescent inner layer, as mother-of-pearl, in the shells of mollusks.
Origin
1865-1870
1865-70; conch + -i- + -ol- (< Latin -olus -ole1) + -in2
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for conchiolin
  • Shells are typically composed of calcite, calcium carbonate and conchiolin.
British Dictionary definitions for conchiolin

conchiolin

/kɒŋˈkaɪəlɪn/
noun
1.
a fibrous insoluble protein that forms the basic structure of the shells of molluscs. Formula: C30H48O11N9
Word Origin
C19: from conch; see -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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