Meaning of lactose

lac•tose

Pronunciation: (lak'tōs), [key]
— n.
  1. a disaccharide, CHO, present in milk, that upon hydrolysis yields glucose and galactose.
  2. a white, crystalline, sweet, water-soluble commercial form of this compound, obtained from whey and used in infant feedings, in confections and other foods, in bacteriological media, and in pharmacology as a diluent and excipient. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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