sylvite sylvinite • sym · · · Info · Definitions · Synonyms · Characters · · sylvite · · Text Latin · · Script 7 · · Length 2 · · Syllables Definitions · · · (noun) a mineral consisting of native potassium chloride; an important ore of potassium that is found in sedimentary beds. Synonyms: sylvine. · · Noun Definition 1 Synonyms · · · sylvine · · Synonym 1 Characters · · e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C s latin small letter s U+0073 t latin small letter t U+0074 v latin small letter v U+0076 y latin small letter y U+0079