nerve-gas

nerve gas

noun
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:
1935–40

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Collins
World English Dictionary
nerve gas
 
n
(esp in chemical warfare) any of various poisonous gases that have a potentially fatal paralysing effect on the central nervous system

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

nerve gas n.
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.
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American Heritage
Science Dictionary
nerve gas  
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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