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nerve gasses

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nerve gas

–noun
any of several poison gases, derived chiefly from phosphoric acid, that weaken or paralyze the nervous system, esp. that part of the system controlling respiration.

Origin:
1935–40
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

Main Entry: nerve gas
Function: noun
: an organophosphate chemical weapon that interferes with normal nerve transmission and induces intense bronchial spasm withresulting inhibition of respiration —compare WAR GAS
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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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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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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