glucose

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noun glu·cose \ ˈglü-ˌkōs , -ˌkōz \

Definition of glucose

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

See glucose defined for English-language learners

See glucose defined for kids

Recent Examples of glucose from the Web

Exenatide/Byetta reduces insulin resistance in Type 2 diabetes, allowing for better control of blood glucose.

— bradley j. fikes, sandiegouniontribune.com, "Lizard saliva derivative helps Parkinson's patients," 3 Aug. 2017
After the glucose test in the third trimester, I was diagnosed with gestational diabetes.

— The Cut, "The Mom Who Found Support in Unexpected Places," 3 Aug. 2017
The affected animals’ blood glucose concentrations were higher than those of control animals.

— mitch leslie, Science | AAAS, "Could diabetes spread like mad cow disease?," 1 Aug. 2017
Last but certainly not least, drinking green tea supposedly regulates glucose levels, which slows blood sugar from rising after eating.

— spoon u, Teen Vogue, "How to Make a Starbucks Green Tea Lemonade," 29 July 2017
Apple recently bought the sleep-tech company Beddit, and is reportedly working on a diabetes glucose-monitoring device that won't pierce the skin.

— hayley tsukayama, chicagotribune.com, "Apple wants to change the way doctors and patients communicate - by giving everyone an iPad," 21 July 2017
During such races Howe suggests ingesting 300 calories an hour in simple sugar, usually in the form of glucose.

— jeremy fuchs, SI.com, "Ultramarathoner Stephanie Howe shares her simple secrets for superb nutrition," 17 July 2017
But developing successful continuous glucose-monitoring devices, invasive or not, is a notoriously difficult endeavor.

— emily matchar, Smithsonian, "A Blood-Monitoring Device Inspired by Mosquitoes," 8 July 2017
A diabetic, Mimms, 72, has a talking glucose meter to tell him his blood sugar.

— eric adler, kansascity, "Google-like glasses, a flop with consumers, now helping blind experience the world," 30 June 2017

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

Origin and Etymology of glucose

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

NEW! Time Traveler

First Known Use: 1840

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GLUCOSE Defined for English Language Learners

glucose

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noun

Definition of glucose for English Language Learners

: a type of sugar that is found in plants and fruits

GLUCOSE Defined for Kids

glucose

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noun glu·cose \ ˈglü-ˌkōs \

Definition of glucose for Students

:a sugar in plant saps and fruits that is the usual form in which carbohydrate is taken in by the animal body and used as a source of energy

Medical Dictionary

glucose

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noun glu·cose \ ˈglü-ˌkōs, -ˌkōz \

medical Definition of glucose

: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