[fos-feen, -fin]

noun Chemistry.

a colorless, poisonous, ill-smelling, flammable gas, PH3.
any of certain organic derivatives of this compound.

Origin of phosphine

First recorded in 1870–75; phosph- + -ine1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for phosphine

Historical Examples of phosphine

British Dictionary definitions for phosphine



a colourless flammable gas that is slightly soluble in water and has a strong fishy odour: used as a pesticide. Formula: PH 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