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American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Elements & Compounds) another name for lactose
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. a disaccharide, C12H22O11, 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. Also called milk sugar.
[1855–60; < Latin lact-, s. of lac milk + -ose2]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
A form of sugar found in mammals’ milk and now usually referred to as lactose. When an infant had to be bottle-fed, cows’ milk was sometimes fortified with extra milk sugar.
1001 Words and Phrases You Never Knew You Didn’t Know by W.R. Runyan Copyright © 2011 by W.R. Runyan
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|Noun||1.||milk sugar - a sugar comprising one glucose molecule linked to a galactose molecule; occurs only in milk; "cow's milk contains about 4.7% lactose"|
disaccharide - any of a variety of carbohydrates that yield two monosaccharide molecules on complete hydrolysis
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