- any of several poison gases, derived chiefly from phosphoric acid, that weaken or paralyze the nervous system, especially that part of the system controlling respiration.
Origin of nerve gas
First recorded in 1935–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for nerve gas
A third category of chemical weapon is comparably savage—the nerve-gas agents.Sarin, Nitrogen Mustard, Cyanide & More: All About Chemical Weapons
August 26, 2013
- (esp in chemical warfare) any of various poisonous gases that have a potentially fatal paralysing effect on the central nervous system
- Any of various poisonous gases that interfere with the functioning of nerves by inhibiting cholinesterase.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- Any of various poisonous gases that interfere with the functioning of nerves by inhibiting the breakdown of the neurotransmitter acetylcholine. Increased levels of acetylcholine stimulate the parasympathetic nervous system, leading to cardiac and respiratory arrest.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.