: any of a class of sugars (such as sucrose) that yields on hydrolysis two monosaccharide molecules

Examples of disaccharide in a Sentence

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For instance, apples are not recommended for people on a low-FODMAP diet (eating plan low in fermentable oligosaccharides, disaccharides, monosaccharides, and polyols, which are types of short-chain carbohydrates that the small intestine does not readily absorb). Brittany Lubeck, Ms, Rdn, Verywell Health, 17 Mar. 2025 These carbohydrates are called FODMAPs (fermentable oligosaccharides, disaccharides, monosaccharides, and polyols). Amber J. Tresca, Verywell Health, 14 Jan. 2025

Word History

First Known Use

1864, in the meaning defined above

Time Traveler
The first known use of disaccharide was in 1864

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Cite this Entry

“Disaccharide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disaccharide. Accessed 2 Apr. 2025.

Medical Definition

disaccharide

noun
: any of a class of sugars (as sucrose) that on hydrolysis yields two monosaccharide molecules

called also biose, double sugar

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