lactose lactoscope • lactoside · · · Info · Definitions · Synonyms · Characters · · lactose · · Text Latin · · Script 7 · · Length Definitions · · · (noun) a sugar comprising one glucose molecule linked to a galactose molecule; occurs only in milk. Synonyms: milk sugar. Example: "Cow's milk contains about 4.7% lactose." · · Noun Definition 1 Synonyms · · · milk sugar · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 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 t latin small letter t U+0074