Definitions for tyrosinaseˈtaɪ roʊ sɪˌneɪs, -ˌneɪz, ˈtɪr oʊ-
Random House Webster's College Dictionary
ty•ro•si•naseˈtaɪ roʊ sɪˌneɪs, -ˌneɪz, ˈtɪr oʊ-(n.)
an enzyme of plant and animal tissues that catalyzes the aerobic oxidation of tyrosine into melanin and other pigments.
Origin of tyrosinase:
< F (1896); see tyrosine , -ase
An enzyme, similar to catechol oxidase, that catalyzes the production of phenolic pigments such as melanin.