tabun

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ta·bun

(tā'bŭn),
An extremely potent cholinesterase inhibitor nerve gas; the lethal dose for humans is believed to be as low as 0.01 mg/kg; median lethal dosage (respiratory) is about 40 mg/minute/m3 for resting persons.

tabun

(tä′bo͝on′)
n.
A poisonous liquid that is soluble in organic solvents, C5H11N2O2P, used as a nerve gas in chemical warfare.
A potent cholinesterase inhibitor that phosphorylates a reactive serine residue of acetyl cholinesterase, which affects nerves, muscles, and glands
Lethal dose 0.01 mg/kg

ta·bun

(tā'bŭn)
A chemical-warfare agent originally developed as an insecticide. Its NATO code is GA.
See also: trichothecene mycotoxin

tabun

A type of nerve gas that acts by interfering with the enzyme acetylcholinesterase, thereby prolonging the action of acetylcholine and causing usually fatal overaction of the parasympathetic nervous system.

tabun

an organophosphorus compound used as a war gas.