blood sugar

noun

: the glucose in the blood
also : its concentration (as in milligrams per 100 milliliters)

Examples of blood sugar in a Sentence

As a diabetic, he needs his blood sugar to stay at the right levels.
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.
The hormone also helps to regulate blood pressure, blood sugar and the sleep-wake cycle, and can also help to bolster the immune system, according to health experts. Amy McGorry, FOXNews.com, 14 Sep. 2025 This means cells take in less sugar from the blood, and blood sugar levels rise. Frederik Jötten, Scientific American, 12 Sep. 2025 Some clinical trials show short-term weight loss and better blood sugar control in people with type 2 diabetes,3 but these benefits often plateau within the year. Caitlin Pagán, Verywell Health, 11 Sep. 2025 The aides take patient vital signs, test blood sugar, remove IVs and catheters and help patients use the restroom. Kristen Jordan Shamus, Freep.com, 10 Sep. 2025 See All Example Sentences for blood sugar

Word History

First Known Use

1881, in the meaning defined above

Time Traveler
The first known use of blood sugar was in 1881

Browse Nearby Words

Cite this Entry

“Blood sugar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blood%20sugar. Accessed 17 Sep. 2025.

Kids Definition

blood sugar

noun
: the glucose in the blood
especially : the amount or percentage of such sugar

Medical Definition

blood sugar

noun
: the glucose in the blood
also : its concentration (as in milligrams per 100 milliliters)
Last Updated: - Updated example sentences
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