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noun Chemistry.
  1. a crystalline disaccharide, C12H22O11, the sugar obtained from the sugarcane, the sugar beet, and sorghum, and forming the greater part of maple sugar; sugar.
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Origin of sucrose

1855–60; < French sucre sugar + -ose2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for sucrose

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

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British Dictionary definitions for sucrose


  1. the technical name for sugar (def. 1)
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Word Origin for sucrose

C19: from French sucre sugar + -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

Word Origin and History for sucrose


1857, formed from French sucre "sugar" (see sugar) + chemical suffix -ose (2).

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Online Etymology Dictionary, © 2010 Douglas Harper

sucrose in Medicine


  1. A nonreducing crystalline disaccharide made up of glucose and fructose, found in many plants but extracted as ordinary sugar mainly from sugar cane and sugar beets, and widely used as a sweetener or preservative.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

sucrose in Science


  1. A crystalline sugar found in many plants, especially sugar cane, sugar beets, and sugar maple. It is used widely as a sweetener. Sucrose is a disaccharide composed of fructose and glucose. Also called table sugar. Chemical formula: C12H22O11.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.