Bible Dictionaries
Lactose

Webster's Dictionary

(1):

(n.) Sugar of milk or milk sugar; a crystalline sugar present in milk, and separable from the whey by evaporation and crystallization. It has a slightly sweet taste, is dextrorotary, and is much less soluble in water than either cane sugar or glucose. Formerly called lactin.

(2):

(n.) See Galactose.

Bibliography Information
Webster, Noah. Entry for 'Lactose'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​l/lactose.html. 1828.