- zinc phosphide
: a dark gray powdery compound Zn3P2 having an odor resembling that of garlic and used as a rodenticide
* * *Chem.a dark-gray, gritty, water-insoluble, poisonous powder, Zn3P2, used chiefly as a rodenticide.
* * *zinc phosphide,an insoluble, dark-gray powder, used chiefly as a rat poison. Formula: Zn3P2
Useful english dictionary. 2012.