[koh-luh-nes-tuh-reys, -reyz, kol-uh-]
noun Biochemistry.
an enzyme, found especially in the heart, brain, and blood, that hydrolyzes acetylcholine to acetic acid and choline.

1930–35; choline + esterase Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
cholinesterase (ˌkəʊlɪˈnɛstəˌreɪs, ˌkɒl-)
an enzyme that hydrolyses acetylcholine to choline and acetic acid

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

cholinesterase cho·lin·es·ter·ase (kō'lə-něs'tə-rās', -rāz')
An enzyme that catalyzes the hydrolysis of choline esters chiefly at nerve terminals, where it hydrolyzes and inactivates acetylcholine.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences for cholinesterase
Carbaryl is a cholinesterase inhibitor and is toxic to humans.
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