sodium fluoride sodium ethylmercurithiosalicylate • sodium hydrate · · · Info · Definitions · Characters · · sodium fluoride · · Text Common · · Latin · · Scripts 15 · · Length 6 · · Syllables Definitions · · · (noun) a colorless crystalline salt of sodium (NaF) used in fluoridation of water and to prevent tooth decay. Synonyms: sodium fluoride. · · Noun Definition 1 Characters · · space U+0020 d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075