niter nitently • niterbush · · · Info · Definitions · Synonyms · Characters · · niter · · Text Latin · · Script 5 · · Length Definitions · · · (noun) (KNO3) used especially as a fertilizer and explosive. Synonyms: potassium nitrate, saltpeter, saltpetre, nitre. · · Noun Definition 1 Synonyms · · · potassium nitrate · · Synonym 1 saltpeter · · Synonym 2 saltpetre · · Synonym 3 nitre · · Synonym 4 Characters · · e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074