• synonyms


[dahy-sak-uh-rahyd, -rid]
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noun Chemistry.
  1. any of a group of carbohydrates, as sucrose or lactose, that yield monosaccharides on hydrolysis.
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Origin of disaccharide

First recorded in 1890–95; di-1 + saccharide
Also called double sugar.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for disaccharide

sugar, starch, lactose, glucose, cellulose, galactose, glycogen, monosaccharide, disaccharide, sucrose, maltose, fructose, dextrose, dextrin, polysaccharide

Examples from the Web for disaccharide

Historical Examples of disaccharide

  • Cellobiose is a disaccharide which results from the hydrolysis of cellulose.

    The Chemistry of Plant Life

    Roscoe Wilfred Thatcher

British Dictionary definitions for disaccharide



  1. any of a class of sugars, such as maltose, lactose, and sucrose, having two linked monosaccharide units per molecule
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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

disaccharide in Medicine


  1. Any of a class of carbohydrates, including lactose and sucrose, that yield two monosaccharides upon hydrolysis.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

disaccharide in Science


  1. Any of a class of sugars, including lactose and sucrose, that are composed of two monosaccharides.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.