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cholinesterase

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

noun

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


cholinesterase British  
/ ˌkɒl-, ˌkəʊlɪˈnɛstəˌreɪs /

noun

  1. 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

Etymology

Origin of cholinesterase

First recorded in 1930–35; choline + esterase