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phosphine

[fos-feen, -fin] /ˈfɒs fin, -fɪn/
noun, Chemistry.
1.
a colorless, poisonous, ill-smelling, flammable gas, PH 3 .
2.
any of certain organic derivatives of this compound.
Origin of phosphine
1870-1875
First recorded in 1870-75; phosph- + -ine1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for phosphine

phosphine

/ˈfɒsfiːn/
noun
1.
a colourless flammable gas that is slightly soluble in water and has a strong fishy odour: used as a pesticide. Formula: PH3
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
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