| Pronunciation: | | 'laktows
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 WordNet Dictionary |
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| | Definition: | |
[n] a sugar comprising one glucose molecule linked to a galactose molecule; occurs only in milk; "cow's milk contains about 4.7% lactose" |
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LACTOSE is a 7 letter word that starts with L. |
| | Synonyms: | | milk sugar |
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| | See Also: | | disaccharide |
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| Webster's 1913 Dictionary |
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| | Definition: | | \Lac"tose`\, n.
1. (Physiol. Chem.) 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. (Chem.) See {Galactose}.
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| Medical Dictionary |
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| | Definition: | | sugar found in milk, which the body breaks down into galactose and glucose. |
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| Biology Dictionary |
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| | Definition: | | A type of disaccharide which is composed of the monosaccharides galactose and glucose linked together. It has the chemical formula of C12H22O11. It is found in dairy products. |
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