nerve gas


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Related to nerve gas: mustard gas

nerve gas,

any of several poison gasespoison gas,
any of various gases sometimes used in warfare or riot control because of their poisonous or corrosive nature. These gases may be roughly grouped according to the portal of entry into the body and their physiological effects.
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 intended for military use, e.g., tabuntabun
, liquid chemical compound used as a nerve gas. It boils at 240°C; with some decomposition. The liquid is colorless to brownish; its vapors have a fruity odor similar to that of bitter almonds. The liquid is absorbed through the skin, but the vapor is not.
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, sarinsarin
, volatile liquid used as a nerve gas. It boils at 147°C; but evaporates quickly at room temperature; its vapor is colorless and odorless. Chemically, sarin is fluoroisopropoxymethylphosphine oxide; it is more toxic than tabun or soman.
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, somansoman,
colorless liquid used as a nerve gas. It boils at 167°C;, evolving an odorless vapor. It is rapidly absorbed through the skin; death may result within 15 min of exposure. In nonfatal concentrations it is hazardous to the eyes.
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, and VXVX
, nerve gas several times more toxic than sarin but less volatile. It kills within minutes if inhaled or deposited on the skin; protection from VX would require both protective suits and masks.
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. Nerve gases were first developed by Germany during World War II but were not used at that time. These gases generally cause death by asphyxiation, often preceded by such symptoms as blurred vision, excessive salivation, and convulsions. Physiologically, the toxic effect of nerve gases arises because they inactivate the enzyme cholinesterase, which normally controls the transmission of nerve impulses; the impulses continue without control, causing breakdown of respiration and other body functions. Atropineatropine
, alkaloid drug derived from belladonna and other plants of the family Solanaceae (nightshade family). Available either as the tincture or extract of belladonna, or as the pure substance atropine sulfate, it is a depressant of the parasympathetic nervous system.
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 is an effective antidote against most nerve gases. See also chemical warfarechemical warfare,
employment in war of incendiaries, poison gases, and other chemical substances. Ancient armies attacking or defending fortified cities threw burning oil and fireballs. A primitive type of flamethrower was employed as early as the 5th cent. B.C.
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.

nerve gas

[′nərv ′gas]
(chemistry)
Chemical agent which is absorbed into the body by breathing, by ingestion, or through the skin, and affects the nervous and respiratory systems and various body functions; an example is isopropylphosphonofluoridate.

nerve gas

(esp in chemical warfare) any of various poisonous gases that have a paralysing effect on the central nervous system that can be fatal
References in periodicals archive ?
So Dow's Nerve Gas Pesticide will still be used on golf courses, road medians and crops that end up on our plate.
4.3 NERVE GAS AUTO INJECTOR MARKET: DEVELOPED V/S DEVELOPING NATIONS
"They're sick," he said, "and so are dozens more from their unit with the same symptoms thousands of other Gulf War veterans have: headaches, stomach ailments, nerve damage." And, said Bradley, "All of these men point to the day it happened, the day they blew up the huge warehouse containing the deadly nerve gas sarin." In fact, several of the vets he interviewed, including Martin, told me they had symptoms months before the Khamisiyah demolition.
These peroxyanions ensure that chemical weapons, like nerve gas, will break down completely.
In June 1994, he released sarin nerve gas in Matsumoto, leaving seven people dead and many others injured.
A probe into the death of a young RAF engineer 51 years ago following British military nerve gas tests is expected to start tomorrow
The arsenal, including nerve gas, mustard gas and arsenic, was dumped in the shallow Baltic by the Allies in 1945.
The cult's founder, Shoko Asahara, has been on trial for a number of crimes, including murder and attempted murder in the 1995 nerve gas attack on the Tokyo subway.
Chemical warfare agents-including the type of nerve gas used in last year's Tokyo subway terrorist attack-can kill quickly unless neutralized immediately after release.
Once, the season meant a continuous procession of tractors pulling insecticide sprayers, contraptions with nozzles and fans spewing clouds of insect nerve gas over the trees and the aphids plaguing them.
June 27, 1994 -- AUM members release sarin nerve gas in a residential district in Matsumoto, Nagano Prefecture, killing seven people and seriously injuring four others.
Former cult leader Shoko Asahara was convicted and sentenced to death today for masterminding the 1995 nerve gas attack on the Tokyo underground transport network and a string of other crimes that killed 27 people.