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.
Glycemic spikes caused by caffeine Drinking coffee on an empty stomach can also alter blood sugar levels, thanks to the caffeine causing temporary glycemic spikes. Veronica Cristino, Vogue, 30 Mar. 2025 Stress can worsen blood sugar levels and cause potential other complications. Alysse Dalessandro, Health, 29 Mar. 2025 During each visit, the research team tested participants’ fasting blood sugar levels, followed by a brain scan called Functional Magnetic Resonance Imaging, or fMRI, which tracks blood flow to capture activity in different regions of the brain. Sandee Lamotte, CNN Money, 29 Mar. 2025 The prescription drug developed and manufactured to manage blood sugar levels in patients with Type 2 diabetes has been widely used for quicker weight loss. Paul Du Quenoy, MSNBC Newsweek, 28 Mar. 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 3 Apr. 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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