Arsine

[ɑ:sin]

(noun.) a poisonous colorless flammable gas used in organic synthesis and to dope transistors and as a poison gas in warfare.

Editor: Vicky--From WordNet

(n.) A compound of arsenic and hydrogen, AsH3, a colorless and exceedingly poisonous gas, having an odor like garlic; arseniureted hydrogen.

Checked by Clifton