glucose

noun

glu·​cose ˈglü-ˌkōs How to pronounce glucose (audio)
-ˌkōz
1
: a crystalline sugar C6H12O6
specifically : the sweet colorless soluble dextrorotatory form that occurs widely in nature and is the usual form in which carbohydrate is assimilated by animals
2
: a light-colored syrup made from cornstarch

Examples of glucose 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.
His comments sent shares of Abbott Laboratories and other continuous glucose monitor (CGM) device makers higher. Jeff Marks,kevin Stankiewicz, CNBC, 24 June 2025 So far, the administration has ended or delayed nearly 2,500 NIH grants, including some related to researching blood glucose. Olga Khazan, The Atlantic, 19 June 2025 The evidence has been mixed, but one review of 10 different studies suggests that cinnamon lowers both fasting blood glucose and total cholesterol.6 A 2021 review suggested that cinnamon may improve insulin sensitivity, regulate how the body processes glucose, and reduce inflammation. Karen Shackelford, Verywell Health, 17 June 2025 Research shows that insufficient sleep disrupts hunger signals, weakens self-control, impairs glucose metabolism and increases your risk of weight gain. Joanna Fong-Isariyawongse, The Conversation, 16 June 2025 See All Example Sentences for glucose

Word History

Etymology

French, modification of Greek gleukos must, sweet wine; akin to Greek glykys sweet — more at dulcet

First Known Use

1840, in the meaning defined at sense 1

Time Traveler
The first known use of glucose was in 1840

Cite this Entry

“Glucose.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/glucose. Accessed 9 Jul. 2025.

Kids Definition

glucose

noun
glu·​cose ˈglü-ˌkōs How to pronounce glucose (audio)
: a sugar that occurs especially in a naturally occurring form that is found in plants, fruits, and blood and is a source of energy for living things

Medical Definition

glucose

noun
: an optically active sugar C6H12O6 that has an aldehydic carbonyl group
especially : the sweet colorless soluble dextrorotatory form that occurs widely in nature and is the usual form in which carbohydrate is assimilated by animals

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