: a crystalline dextrorotatory fermentable sugar C12H22O11 formed especially from starch by amylase
Examples of maltose in a Sentence
Recent Examples on the Web
Each is sealed off by a dissolvable barrier made from lactose, maltose, and a pH-sensitive polymer that shields it from stomach acid and dissolves only in a more alkaline environment.
—
Jenny Lehmann, Discover Magazine, 2 May 2025
Look for and avoid ingredients like sugar, maltose, and corn syrup.
—Cristina Mutchler, Verywell Health, 6 Jan. 2025
Disaccharides include sucrose, maltose, and lactose.1 Simple carbohydrates naturally occur in foods like yogurt and fruit.
—Jillian Kubala, Health, 16 Oct. 2024
Sugars like fructose, sucrose, and dietary glucose are found naturally in many fruits and vegetables, while maltose is found in many grains and lactose is found in dairy products, per Harvard Medical School.
—Daryl Austin, USA TODAY, 14 Mar. 2024
So Smith and company make a wort, or beer base, that’s low in maltose and high in the other sugars.
—Jess Fleming, Twin Cities, 24 Jan. 2024
On the other hand, the maltose from the non-adapted male cockroaches converts to glucose in just a few seconds, per New Scientist’s Christa Lesté-Lasserre.
—Will Sullivan, Smithsonian Magazine, 7 Apr. 2023
Meanwhile, the females seem to be developing changes in their saliva that make the process of turning maltose or maltotriose into glucose even slower.
—Popsci Staff, Popular Science, 5 July 2023
The males’ secretions include the compound maltose, which rapidly breaks down into glucose when mixed with females’ saliva.
—Will Sullivan, Smithsonian Magazine, 7 Apr. 2023
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Jenny Lehmann, Discover Magazine, 2 May 2025
Look for and avoid ingredients like sugar, maltose, and corn syrup.
—Cristina Mutchler, Verywell Health, 6 Jan. 2025
Disaccharides include sucrose, maltose, and lactose.1 Simple carbohydrates naturally occur in foods like yogurt and fruit.
—Jillian Kubala, Health, 16 Oct. 2024
Sugars like fructose, sucrose, and dietary glucose are found naturally in many fruits and vegetables, while maltose is found in many grains and lactose is found in dairy products, per Harvard Medical School.
—Daryl Austin, USA TODAY, 14 Mar. 2024
So Smith and company make a wort, or beer base, that’s low in maltose and high in the other sugars.
—Jess Fleming, Twin Cities, 24 Jan. 2024
On the other hand, the maltose from the non-adapted male cockroaches converts to glucose in just a few seconds, per New Scientist’s Christa Lesté-Lasserre.
—Will Sullivan, Smithsonian Magazine, 7 Apr. 2023
Meanwhile, the females seem to be developing changes in their saliva that make the process of turning maltose or maltotriose into glucose even slower.
—Popsci Staff, Popular Science, 5 July 2023
The males’ secretions include the compound maltose, which rapidly breaks down into glucose when mixed with females’ saliva.
—Will Sullivan, Smithsonian Magazine, 7 Apr. 2023
Cite this Entry
“Maltose.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/maltose. Accessed 18 Jul. 2025.
Copy CitationKids Definition
maltose
noun
malt·ose
ˈmȯl-ˌtōs 
: a sugar formed especially from starch by the action of enzymes and used in brewing and distilling
Medical Definition
maltose
noun
malt·ose
ˈmȯl-ˌtōs, -ˌtōz
: a crystalline dextrorotatory fermentable disaccharide sugar C12H22O11 formed especially from starch by amylase (as in saliva and malt), as an intermediate reducing product in metabolism, and in brewing and distilling and used chiefly in foods and in biological culture media
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