rock salt rock salmon • rock sandwort · · · Info · Definitions · Synonyms · Characters · · rock salt · · Text Common · · Latin · · Scripts 9 · · Length 2 · · Syllables Definitions · · · (noun) naturally occurring crystalline sodium chloride. Synonyms: halite, rock salt. · · Noun Definition 1 Synonyms · · · halite · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 k latin small letter k U+006B l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074