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

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 Reaver agrees, adding that a consistent eating agenda, with eating wrapping up a few hours before bed, is the most beneficial schedule to reduce blood glucose levels, improve sleep, speed up muscle recovery, and reduce inflammation. Karla Walsh, Woman's Day, "Everything You Need to Know About the Dubrow Diet," 29 Jan. 2019 Some antipsychotics are linked with metabolic side effects such as weight gain and increased glucose levels, which can then increase the risk for issues like neural tube defects, the review explains. Korin Miller, SELF, "What to Know About Getting Pregnant If You Take Antipsychotics," 17 Jan. 2019 The more proficient a player becomes, the less glucose the brain consumes for energy to fuel cognition. Jennifer Ouellette, Ars Technica, "Study: Tetris is a great distraction for easing an anxious mind," 2 Nov. 2018 Research attributes it to your brain not receiving enough glucose. Jaclyn London, Ms, Rd, Cdn, Good Housekeeping, "9 Keto Diet Dangers Nutritionists Want You to Know About," 2 Jan. 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

10 Apr 2019

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Time Traveler for glucose

The first known use of glucose was in 1840

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More Definitions for glucose



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

Comments on glucose

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marked by a state of overwhelming emotion

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