aldose aldopentose • aldoside · · · Info · Definitions · Characters · · aldose · · Text Latin · · Script 6 · · Length 2 · · Syllables Definitions · · · (noun) a monosaccharide sugar that contains the aldehyde group or is hemiacetal. · · Noun Definition 1 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 l latin small letter l U+006C o latin small letter o U+006F s latin small letter s U+0073