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tyrosinase

[tahy-roh-si-neys, -neyz, tir-oh-] /ˈtaɪ roʊ sɪˌneɪs, -ˌneɪz, ˈtɪr oʊ-/
noun, Biochemistry.
1.
an oxidizing enzyme, occurring in plant and animal tissues, that catalyzes the aerobic oxidation of tyrosine into melanin and other pigments.
Origin of tyrosinase
1895-1900
First recorded in 1895-1900; tyrosine + -ase
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for tyrosinase

tyrosinase

/ˌtaɪrəʊsɪˈneɪz; ˌtɪrəʊ-/
noun
1.
an enzyme occurring in many organisms that is a catalyst in the conversion of tyrosine to the pigment melanin; inactivity of this enzyme results in albinism
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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