mannitol mannitic • mannitose · · · Info · Definitions · Synonyms · Characters · · mannitol · · Text Latin · · Script 8 · · Length 3 · · Syllables Definitions · · · (noun) a diuretic (trade name Osmitrol) used to promote the excretion of urine. Synonyms: Osmitrol. · · Noun Definition 1 Synonyms · · · osmitrol · · Synonym 1 Characters · · a latin small letter a U+0061 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074