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disaccharide

American  
[dahy-sak-uh-rahyd, -rid] / daɪˈsæk əˌraɪd, -rɪd /

noun

Chemistry.
  1. any of a group of carbohydrates, as sucrose or lactose, that yield monosaccharides on hydrolysis.


disaccharide British  
/ daɪˈsækəˌraɪd, -rɪd /

noun

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

"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 Scientific  
/ dī-săkə-rīd′ /
  1. Any of a class of sugars, including lactose and sucrose, that are composed of two monosaccharides.


Etymology

Origin of disaccharide

First recorded in 1890–95; di- 1 + saccharide

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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Lactose, or milk sugar, is a disaccharide made of two simple sugars – glucose and galactose – in a 1:1 ratio.

From Salon Mar. 28, 2024

Maltose, which is found in breakfast cereals and breads, is a disaccharide of two glucose molecules.

From Salon Mar. 28, 2024

Maltose, or malt sugar, is a disaccharide formed by a dehydration reaction between two glucose molecules.

From Textbooks Jun. 9, 2022

Glucose, galactose, and fructose are common isomeric monosaccharides, whereas sucrose or table sugar is a disaccharide.

From Textbooks Jun. 9, 2022

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

From The Chemistry of Plant Life by Roscoe Wilfred Thatcher

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