半乳糖 Traditional form: 半乳糖 Pinyin (reading): bànrǔtáng Definitions: galactose (CH2O)6 brain sugar Characters: 半 - half; semi-, incomplete 乳 - breast, nipples; milk; to suckle 糖 - candy, sugar, sweets Traditional characters: 半 - half; semi-, incomplete 乳 - breast, nipples; milk; to suckle 糖 - candy, sugar, sweets