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 index ranges from 0 to 100, with pure glucose at 100.
—
Ann Pietrangelo, Verywell Health, 3 July 2024
In ketosis, the body burns fat and uses ketones instead of glucose, which may improve insulin sensitivity because the body relies less on glucose for energy.
—Lindsay Curtis, Health, 2 July 2024
The structure of some amino acids is similar to glucose, and these are taken to the liver and converted to glucose.
—Bryant Stamford, The Courier-Journal, 27 June 2024
The early treatment was most effective in women who had high blood glucose levels after an oral glucose tolerance test, which measures how well the body can metabolize the sugar in a very sweet, Gatorade-like drink.
—Annalisa Merelli, STAT, 20 June 2024
See all Example Sentences for glucose 
Ann Pietrangelo, Verywell Health, 3 July 2024
In ketosis, the body burns fat and uses ketones instead of glucose, which may improve insulin sensitivity because the body relies less on glucose for energy.
—Lindsay Curtis, Health, 2 July 2024
The structure of some amino acids is similar to glucose, and these are taken to the liver and converted to glucose.
—Bryant Stamford, The Courier-Journal, 27 June 2024
The early treatment was most effective in women who had high blood glucose levels after an oral glucose tolerance test, which measures how well the body can metabolize the sugar in a very sweet, Gatorade-like drink.
—Annalisa Merelli, STAT, 20 June 2024
See all Example Sentences for glucose
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'glucose.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Glucose.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/glucose. Accessed 15 Jul. 2024.
Copy CitationKids Definition
glucose
noun
glu·cose
ˈglü-ˌkōs 
: 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
glu·cose
ˈglü-ˌkōs, -ˌkōz
: 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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