noun Etymology: International Scientific Vocabulary Date: 1857 a disaccharide sugar C 12 H 22 O 11 that is present in milk and yields glucose and ga~ upon hydrolysis and yields especially lactic acid upon fermentation
LACTOSE
Meaning of LACTOSE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012