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monosaccharide

noun

mono·​sac·​cha·​ride ˌmä-nə-ˈsa-kə-ˌrīd How to pronounce monosaccharide (audio)
: a sugar that is not decomposable into simpler sugars by hydrolysis, is classed as either an aldose or ketose, and contains one or more hydroxyl groups per molecule

called also simple sugar

Examples of monosaccharide in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The dietary approach is known as low fermentable oligosaccharides, disaccharides, monosaccharides and polyols, or the Low-FODMAP Diet for short. Helen Carefoot, Flow Space, 21 Nov. 2025 FODMAPs are fermentable oligosaccharides, disaccharides, monosaccharides, and polyols. Cynthia Sass, Health, 13 Nov. 2025 The researchers discovered that the gastrointestinal symptoms are largely caused by fermentable carbohydrates (another wheat component), which are also known as fermentable oligosaccharides, disaccharides, monosaccharides, and polyols (FODMAPs). Korin Miller, SELF, 11 Nov. 2025 Fructose May Cause Digestive Issues for Some People Because pears contain a naturally higher amount of fructose, they’re considered a high FODMAP (fermentable oligosaccharides, disaccharides, monosaccharides, and polyols) food. Cristina Mutchler, Verywell Health, 23 Sep. 2025 See All Example Sentences for monosaccharide

Word History

Etymology

International Scientific Vocabulary

First Known Use

1895, in the meaning defined above

Time Traveler
The first known use of monosaccharide was in 1895

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Cite this Entry

“Monosaccharide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/monosaccharide. Accessed 30 Nov. 2025.

Kids Definition

monosaccharide

noun
mono·​sac·​cha·​ride ˌmän-ə-ˈsak-ə-ˌrīd How to pronounce monosaccharide (audio)
: a sugar that cannot be split into simpler sugars

called also simple sugar

Medical Definition

monosaccharide

noun
mono·​sac·​cha·​ride ˌmän-ə-ˈsak-ə-ˌrīd How to pronounce monosaccharide (audio)
: a sugar not decomposable to simpler sugars by hydrolysis

called also simple sugar

More from Merriam-Webster on monosaccharide

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