an enzyme that catalyses the transfer of an amino group from one molecule, esp an amino acid, to another, esp a keto acid, in the process of transamination
transaminase in American English
(trænsˈæməˌneɪs; trænzˈæməˌneɪs; trænzˈæməˌneɪz)
noun
any of a group of enzymes that cause transamination