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See more synonyms for maltose on Thesaurus.com
noun Chemistry.
  1. a white, crystalline, water-soluble sugar, C12H22O11⋅H2O, formed by the action of diastase, especially from malt, on starch: used chiefly as a nutrient, as a sweetener, and in culture media.
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Origin of maltose

First recorded in 1860–65; malt + -ose2
Also called malt sugar, mal·to·bi·ose [mawl-toh-bahy-ohs] /ˌmɔl toʊˈbaɪ oʊs/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for maltose

sugar, starch, lactose, glucose, cellulose, carbohydrate, galactose, glycogen, monosaccharide, disaccharide, sucrose, maltose, fructose, dextrose, dextrin, polysaccharide, candy, levulose, saccharin, xylose

Examples from the Web for maltose

Historical Examples of maltose

British Dictionary definitions for maltose


  1. a disaccharide of glucose formed by the enzymic hydrolysis of starch: used in bacteriological culture media and as a nutrient in infant feeding. Formula: C 12 H 22 O 11
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Word Origin for maltose

C19: from malt + -ose ²
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

maltose in Medicine


(môltōs′, -tōz′)
  1. A white crystalline sugar formed during the digestion of starch.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

maltose in Science


  1. A sugar made by the action of various enzymes on starch. It is formed in the body during digestion. Maltose is a disaccharide consisting of two linked glucose molecules. Chemical formula: C12H22O11.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.