Assertion: potassium nitrate | /r/HasProperty | niter
Facets:
value: commonly
type: DEGREE
Source sentences:
text: Potassium nitrate, also known as saltpeter (saltpetre), niter (nitre) or nitrate of potash, forms naturally as deposits in caves where damp conditions combine with alkali, decaying organic material, oxygen and little sunlight and in cellars, dung heaps and other man-made areas where similar conditions exist.
text: Potassium nitrate, more commonly known as saltpeter or niter, has been used by humans for many centuries.