brain sugar brain-strong • brain surgeon · · · Info · Definitions · Synonyms · Characters · · brain sugar · · Text Common · · Latin · · Scripts 11 · · Length 3 · · Syllables Definitions · · · (noun) a simple sugar found in lactose. Synonyms: galactose, brain sugar. · · Noun Definition 1 Synonyms · · · galactose · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 g latin small letter g U+0067 i latin small letter i U+0069 n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075