barium sulfate barium protoxide • barium sulphate · · · Info · Definitions · Synonyms · Characters · · barium sulfate · · Text Common · · Latin · · Scripts 14 · · Length 5 · · Syllables Definitions · · · (noun) a white insoluble radiopaque powder used as a pigment. Synonyms: barium sulphate, barium sulfate, blanc fixe. · · Noun Definition 1 Synonyms · · · barium sulphate · · Synonym 1 blanc fixe · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 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 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075