bloodstream

noun

blood·​stream ˈbləd-ˌstrēm How to pronounce bloodstream (audio)
1
: the flowing blood in a circulatory system
2
: a mainstream of power or vitality
introduce into the economic bloodstream a large amount of moneyHarper's

Examples of bloodstream in a Sentence

The drug is now entering the bloodstream.
Recent Examples on the Web Previous studies have detected this protein biomarker not only in cerebrospinal fluid but also circulating in the bloodstream. William A. Haseltine, Forbes, 25 Oct. 2024 Simply put, the cells of the body don’t respond to insulin, resulting in the accumulation of glucose to high levels in the bloodstream. Bryant Stamford, The Courier-Journal, 24 Oct. 2024 Glucose spikes occur when the amount of sugar present in the bloodstream rapidly increases and then decreases. Annika Kim Constantino,ashley Capoot, CNBC, 15 Oct. 2024 When foreign particles show up in the bloodstream, a space that is ostensibly sterile, immune cells immediately recognize them as invaders. Stephani Sutherland, Scientific American, 15 Oct. 2024 See all Example Sentences for bloodstream 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'bloodstream.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

13th century, in the meaning defined at sense 1

Time Traveler
The first known use of bloodstream was in the 13th century

Dictionary Entries Near bloodstream

Cite this Entry

“Bloodstream.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bloodstream. Accessed 31 Oct. 2024.

Kids Definition

bloodstream

noun
blood·​stream -ˌstrēm How to pronounce bloodstream (audio)
: the flowing blood in a living thing with a circulatory system

Medical Definition

bloodstream

noun
blood·​stream -ˌstrēm How to pronounce bloodstream (audio)
: the flowing blood in a circulatory system

More from Merriam-Webster on bloodstream

Last Updated: - Updated example sentences
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