ni·ter (nī

tər)
n.A white, gray, or colorless mineral of potassium nitrate, KNO
3, used in making gunpowder. Also called
saltpeter.
[TahlilGaran] American Dictionary ▲
niter [Middle English
nitre,
sodium carbonate, natron, from Old French, from Latin
nitrum, from Greek
nitron, from Egyptian
ntr.]
[TahlilGaran] American Dictionary ▲