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anticholinergic

[ an-ti-koh-luh-nur-jik, -kol-uh- ]
/ ˌæn tɪˌkoʊ ləˈnɜr dʒɪk, -ˌkɒl ə- /
Biochemistry, Pharmacology
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adjective
of or relating to a substance that opposes the effects of acetylcholine; interfering with the passage of parasympathetic nerve impulses.Compare cholinolytic.
noun
an anticholinergic substance, as a drug.

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Origin of anticholinergic

1940–45; anti- + cholinergic, equivalent to choline + -ergic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for anticholinergic

anticholinergic
/ (ˌæntɪˌkɒlɪˈnɜːdʒɪk) /

adjective
physiol blocking nerve impulses through the parasympathetic nerves
noun
med a drug or agent that blocks these nerve impulses, used to control intestinal spasm, increase the heart rate, dilate the pupils for examination of the eyes, dry secretions in anaesthesia, and in some forms to treat Alzheimer's disease
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
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