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.
(esp in chemical warfare) any of various poisonous gases that have a potentially fatal paralysing effect on the central nervous system

a poisonous gas that is absorbed into the body and paralyzes or kills through its effects on the nervous and respiratory system

nerve gas n.
Any of various poisonous gases that interfere with the functioning of nerves by inhibiting cholinesterase.
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.


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