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cholinesterase

[ koh-luh-nes-tuh-reys, -reyz, kol-uh- ]
/ ˌkoʊ ləˈnɛs təˌreɪs, -ˌreɪz, ˌkɒl ə- /
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noun Biochemistry.

an enzyme, found especially in the heart, brain, and blood, that hydrolyzes acetylcholine to acetic acid and choline.

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Origin of cholinesterase

First recorded in 1930–35; choline + esterase
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for cholinesterase

cholinesterase
/ (ˌkəʊlɪˈnɛstəˌreɪs, ˌkɒl-) /

noun

an enzyme that hydrolyses acetylcholine to choline and acetic acid
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

Medical definitions for cholinesterase

cholinesterase
[ kō′lə-nĕstə-rās′, -rāz′ ]

n.

An enzyme that catalyzes the hydrolysis of choline esters chiefly at nerve terminals, where it hydrolyzes and inactivates acetylcholine.acetylcholinesterase
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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