[ koh-luh-nur-jik, kol-uh- ]
/ ˌkoʊ ləˈnɜr dʒɪk, ˌkɒl ə- /

adjective Biochemistry.

resembling acetylcholine in pharmacological action.
stimulated by or releasing acetylcholine or a related compound.

Origin of cholinergic

First recorded in 1930–35; (acetyl)choline + -ergic Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for cholinergic


/ (ˌkəʊlɪˈnɜːdʒɪk) /


denoting nerve fibres that release acetylcholine when stimulated
of or relating to the type of chemical activity associated with acetylcholine and similar substances

Word Origin for cholinergic

C20: from (acetyl) cholin (e) + Greek ergon work
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

Medicine definitions for cholinergic


[ kō′lə-nûrjĭk ]


Relating to nerve cells or fibers that employ acetylcholine as their neurotransmitter.
Relating to an agent that mimics the action of acetylcholine.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for cholinergic


[ kō′lə-nûrjĭk ]

Relating to a neuron or axon that is activated by or is capable of releasing acetylcholine when a nerve impulse passes. The nerve endings of the parasympathetic nervous system are cholinergic.
Having physiological effects similar to those of acetylcholine, as certain drugs.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.