pentoxide Pentothal sodium • pentoxifylline · · · Info · Definitions · Characters · · pentoxide · · Text Latin · · Script 9 · · Length 3 · · Syllables Definitions · · · (noun) an oxide containing five atoms of oxygen in the molecule. · · Noun Definition 1 Characters · · d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 t latin small letter t U+0074 x latin small letter x U+0078