Poisonous gas that smells like garlic

• Toxic gas from behind engulfing almost all of pub
• Chemical warfare gas
• A poisonous colorless flammable gas used in organic synthesis and to dope transistors and as a poison gas in warfare
• Chemical weapon
• Poisonous compound
• Poison gas
• Poisonous flammable gas

Wikipedia Word definitions in Wikipedia
Arsine is an inorganic compound with the formula As H . This flammable, pyrophoric , and highly toxic gas is one of the simplest compounds of arsenic . Despite its lethality, it finds some applications in the semiconductor industry and for the synthesis ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Arsine \Ar"sine\ ([aum]r"s[i^]n or -s[=e]n), n. [From Arsenic .] (Chem.) A compound of arsenic and hydrogen, AsH3 , a colorless and exceedingly poisonous gas, having an odor like garlic; arseniureted hydrogen. [1913 Webster] ||

Wiktionary Word definitions in Wiktionary
n. 1 (context inorganic compound uncountable English) A compound of arsenic and hydrogen, AsH 3 , a colorless and exceedingly poisonous gas, having an odor like garlic. 2 (context organic chemistry countable English) Any organic derivative of this compound, ...