: 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

Recent Examples on the Web
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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 Knocking down the enzyme in tumor cell lines made any cell sensitive to mannose. — 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

Word History

Etymology

borrowed from German Mannose, from Manna manna + -ose -ose entry 2

First Known Use

1888, in the meaning defined above

Time Traveler
The first known use of mannose was in 1888

Browse Nearby Words

Cite this Entry

“Mannose.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mannose. Accessed 29 Sep. 2026.

Medical Definition

: 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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