arsinePronunciation: /ˈɑːsiːn/Definition of arsine noun [mass noun] Chemistry a poisonous gas smelling slightly of garlic, made by the reaction of some arsenides with acids. Alternative name: arsenic trihydride; chemical formula: AsH3 Origin: late 19th century: from arsenic, on the pattern of aminearsine in other Oxford dictionaries Definition of arsine in the US English dictionary
