Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun potassium_nitrate

1 sense of potassium nitrate

Sense 1
potassium nitrate, saltpeter, saltpetre, niter, nitre -- ((KNO3) used especially as a fertilizer and explosive)
       => nitrate -- (any compound containing the nitrate group (such as a salt or ester of nitric acid))