mono·​sac·​cha·​ride | \ ˌmä-nə-ˈsa-kə-ˌrīd How to pronounce monosaccharide (audio) \

Definition of monosaccharide

: 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 But there’s no science to say that fructose is a worse monosaccharide for the body than any other, Tewksbury says. Carolyn L. Todd, SELF, 24 June 2019 The first is monosaccharides, or single sugar molecules, which include fructose, galactose, and glucose. Carolyn L. Todd, SELF, 24 June 2019 The simplest, most fundamental unit of a carbohydrate is a monosaccharide—a single sugar molecule—made of carbon, hydrogen, and oxygen atoms. Carolyn L. Todd, SELF, 23 May 2019 Your body responds by secreting digestive enzymes to break down the disaccharide molecule sucrose (or table sugar) into the monosaccharide glucose. Kate Morgan, The Cut, 26 Mar. 2018 FODMAP stands for fermentable oligosaccharides, disaccharides, monosaccharides, and polyols. Don Rauf,, 23 June 2017 Glycolaldehyde is a monosaccharide sugar, the basic unit of carbohydrates. Clara Moskowitz, WIRED, 26 Nov. 2008

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'monosaccharide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of monosaccharide

1895, in the meaning defined above

History and Etymology for monosaccharide

International Scientific Vocabulary

Keep scrolling for more

Learn More About monosaccharide

Time Traveler for monosaccharide

Time Traveler

The first known use of monosaccharide was in 1895

See more words from the same year

Dictionary Entries Near monosaccharide




See More Nearby Entries 

Statistics for monosaccharide

Cite this Entry

“Monosaccharide.” Dictionary, Merriam-Webster, Accessed 21 Sep. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for monosaccharide


mono·​sac·​cha·​ride | \ ˌmän-ə-ˈsak-ə-ˌrīd How to pronounce monosaccharide (audio) \

Medical Definition of monosaccharide

: a sugar not decomposable to simpler sugars by hydrolysis

called also simple sugar

More from Merriam-Webster on monosaccharide Encyclopedia article about monosaccharide


Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
Spell It

Can you spell these 10 commonly misspelled words?


Anagram puzzles meet word search.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!