cholinesterase [koh-luh-nes-tuh-reys, -reyz, kol-uh-] Word Origin noun Biochemistry.
- an enzyme, found especially in the heart, brain, and blood, that hydrolyzes acetylcholine to acetic acid and choline.
Origin of cholinesterase First recorded in 1930–35; choline + esterase British Dictionary definitions for cholinesterase cholinesterase noun
- an enzyme that hydrolyses acetylcholine to choline and acetic acid
cholinesterase in Medicine cholinesterase [kō′lə-nĕs′tə-rās′, -rāz′] n.
- An enzyme that catalyzes the hydrolysis of choline esters chiefly at nerve terminals, where it hydrolyzes and inactivates acetylcholine.acetylcholinesterase