: an aldose C6H12O6 whose dextrorotatory enantiomer occurs especially as a structural unit of mannans from which it can be recovered by hydrolysis
Examples of mannose in a Sentence
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Another supplement that may help to support your dog's bladder health is D-mannose.
—
Amber Smith, Discover Magazine, 17 Oct. 2022
As mentioned above, vitamin C, proanthocyanidin or D-mannose could help prevent UTIs, but ask your doctor before taking any of them.
—Kaitlyn Pirie, Good Housekeeping, 13 May 2022
Basically, mannose just gums up much of the cellular works.
—Diana Gitig, Ars Technica, 21 Nov. 2018
It was determined that nectar from the tree contained a toxic sugar, called mannose, that poisoned and killed the bees.
—Joanna Klein, New York Times, 27 Sep. 2017
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Amber Smith, Discover Magazine, 17 Oct. 2022
As mentioned above, vitamin C, proanthocyanidin or D-mannose could help prevent UTIs, but ask your doctor before taking any of them.
—Kaitlyn Pirie, Good Housekeeping, 13 May 2022
Basically, mannose just gums up much of the cellular works.
—Diana Gitig, Ars Technica, 21 Nov. 2018
It was determined that nectar from the tree contained a toxic sugar, called mannose, that poisoned and killed the bees.
—Joanna Klein, New York Times, 27 Sep. 2017
Cite this Entry
“Mannose.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mannose. Accessed 31 Oct. 2025.
Copy CitationMedical Definition
mannose
noun
man·nose
ˈman-ˌōs, -ˌōz 
: an aldose C6H12O6 whose dextrorotatory enantiomer occurs especially as a structural unit of mannans from which it can be recovered by hydrolysis
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