glu·​cose | \ ˈglü-ˌkōs How to pronounce glucose (audio) , -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

Examples of glucose in a Sentence

Recent Examples on the Web

It's diagnosed via blood tests that can determine if a person's blood glucose levels have entered prediabetic territory, according to the National Institute of Digestive and Kidney Diseases (NIDDK). Carolyn L. Todd, SELF, "Viola Davis on Being Diagnosed With Prediabetes: ‘I Was Shocked’," 1 May 2019 Having either type 1 or type 2 diabetes can cause glucose to build up in your bloodstream, leading to symptoms that can affect various parts of your body, including your eyes. Korin Miller, SELF, "6 Weird Reasons Your Vision Is Blurry," 4 May 2018 That glucose then causes an insulin spike that triggers skin inflammation and hormonal fluctuations, which directly lead to acne. Chloe Metzger, Marie Claire, "The Quarter-Life Skin Crisis: Why Women Are Suddenly Breaking Out in Their Mid-20s," 30 Apr. 2018 Therefore, glucose accumulates in the bloodstream just like in Type 1, but for a different reason. Bryant Stamford, The Courier-Journal, "Don't call 'baby fat' cute. Childhood obesity increases your kids' risk of chronic disease," 26 Apr. 2018 The thing is, carbo-loading without nutrients like fat and protein to temper the rise in glucose can make your blood sugar spike, then dip, which is not ideal. Zahra Barnes, SELF, "Skipping Meals: What Happens When You're Not Eating Enough," 4 Jan. 2019 Researchers at MIT Media Lab have worked on a program that could give them a utility as well as aesthetic benefit—tattoos that could take health measures like pH and glucose levels. David Grossman, Popular Mechanics, "The United States' Oldest Tattoo Needle Is an Inked-Up Cactus Spine," 28 Feb. 2019 This happens, Pandurangi says, because antipsychotics interfere with and diminish the action of insulin on glucose (sugar). Kimberly Truong, SELF, "11 Side Effects of Antipsychotics You Should Know About," 7 Dec. 2018 Pregnant people undergo this type of glucose screening to test for gestational diabetes. Korin Miller, SELF, "What You Need to Know About Glucose Testing During Pregnancy," 4 Feb. 2019

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.

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First Known Use of glucose

1840, in the meaning defined at sense 1

History and Etymology for glucose

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

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Statistics for glucose

Last Updated

8 May 2019

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Time Traveler for glucose

The first known use of glucose was in 1840

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English Language Learners Definition of glucose

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


glu·​cose | \ ˈglü-ˌkōs How to pronounce glucose (audio) \

Kids Definition of glucose

: 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


glu·​cose | \ ˈglü-ˌkōs, -ˌkōz How to pronounce glucose (audio) \

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

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More from Merriam-Webster on glucose

Rhyming Dictionary: Words that rhyme with glucose

Spanish Central: Translation of glucose

Nglish: Translation of glucose for Spanish Speakers

Britannica English: Translation of glucose for Arabic Speakers Encyclopedia article about glucose

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using a distributed computer network

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