[ ahr-seen, ahr-seen, -sin ]
/ ɑrˈsin, ˈɑr sin, -sɪn /

noun Chemistry.

Also called arseniuretted hydrogen. a colorless, flammable, slightly water-soluble gas, AsH3, having a fetid, garliclike odor, used in chemical warfare.
any derivative of this compound in which one or more hydrogen atoms are replaced by organic groups.

Origin of arsine

First recorded in 1875–80; ars(enic) + -ine2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for arsine

British Dictionary definitions for arsine

/ (ˈɑːsiːn) /


a colourless poisonous gas used in the manufacture of organic compounds, to dope transistors, and as a military poisonous gas. Formula: AsH 3
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012