ˌkōlə̇ˈnestəˌrās, -äl-, -āz noun
also choline esterase
( -s )
Etymology: choline + esterase
1. : acetylcholinesterase
2. : an enzyme that hydrolyzes choline esters and that is found in blood plasma and in the liver in man — compare cholinergic ; see anticholinesterase