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arsine Syllabification: ar·sine
Pronunciation: /ˈärsēn/

Definition of arsine in English:


A poisonous gas smelling slightly of garlic, made by the reaction of some arsenides with acids.
  • Arsenic trihydride; chemical formula: AsH3
Example sentences
  • Since the explosion yesterday morning, which jammed a main cargo door shut, gases including hydrogen, phosphine and arsine, a derivative of arsenic, have started venting from the cargo hold.
  • Some of the chemicals - including caustic hydrogen fluoride and deadly arsine gas - are toxic, and the fossil fuel consumed contributes to global warming, says Williams.
  • The suspected gasses in the SIDS deaths were; arsine from arsenic, phosphine from phosphorus, and stibine from the element antimony.


Late 19th century: from arsenic, on the pattern of amine.

Definition of arsine in:
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