Meaning of saltpeter

salt•pe•ter

Pronunciation: (sôlt"pē'tur), [key]
— n.
  1. the form of potassium nitrate, KNO, that occurs naturally, used in the manufacture of fireworks, fluxes, gunpowder, etc.; niter.
  2. See
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: