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.