Dictionary.com
Thesaurus.com
Showing results for cholinesterase. Search instead for fosfodiesterasa.

cholinesterase

American  
[koh-luh-nes-tuh-rays, -rayz, 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  
/ ˌkəʊlɪˈnɛstəˌreɪs, ˌkɒl- /

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


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

It said, however, that he was affected by a cholinesterase inhibitor, a chemical that blocks the transmission of impulses through the nervous system.

From Washington Post ● Aug. 25, 2020

The cholinesterase inhibitors found in Navalny’s system reportedly block the breakdown of acetycholine, a vital chemical that transmits signals between nerve cells.

From Fox News ● Aug. 25, 2020

Repeated exposure may lower the cholinesterase level until an individual reaches the brink of acute poisoning—a brink over which he may be pushed by a very small additional exposure.

From The New Yorker ● Jan. 3, 2017

The reason sage may have an effect is because it contains a cholinesterase inhibitor, a chemical which prevents the breakdown of the neurotransmitter, acetylcholine.

From BBC ● Oct. 29, 2014

Repeated exposures may lower the cholinesterase level until an individual reaches the brink of acute poisoning, a brink over which he may be pushed by a very small additional exposure.

From "Silent Spring" by Rachel Carson

Random Word

Spin the wheel and learn a new word!

Get a word

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training