tyrosinase

[ tahy-roh-si-neys, -neyz, tir-oh- ]

/ ˈtaɪ roʊ sɪˌneɪs, -ˌneɪz, ˈtɪr oʊ- /

noun Biochemistry.

an oxidizing enzyme, occurring in plant and animal tissues, that catalyzes the aerobic oxidation of tyrosine into melanin and other pigments.

Nearby words

tyrolese, tyrolienne, tyroma, tyrone, tyropitta, tyrosinase, tyrosine, tyrosinemia, tyrosinosis, tyrosinuria, tyrosyluria

Origin of tyrosinase

First recorded in 1895–1900; tyrosine + -ase

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for tyrosinase

tyrosinase

/ (ˌtaɪrəʊsɪˈneɪz, ˌtɪrəʊ-) /

noun

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