bloodstream
noun
blood·stream
ˈbləd-ˌstrēm 
1
: the flowing blood in a circulatory system
2
: a mainstream of power or vitality
introduce into the economic bloodstream a large amount of money—
Harper's
Harper'sExamples of bloodstream in a Sentence
The drug is now entering the bloodstream.
Recent Examples on the Web
This means less cholesterol is absorbed into the bloodstream.
—Maggie O'Neill, Verywell Health, 17 Oct. 2025
Over the past decade, this unassuming budget wonk and self-proclaimed Christian nationalist has quietly injected his ideas into the bloodstream of American politics.
—Lisa Riordan Seville, ProPublica, 17 Oct. 2025
Patients with pneumonia might face complications, including sepsis or bacteria in the bloodstream, difficulty breathing, fluid around the lungs and abscesses in the lungs.
—Rebecca Cohen, NBC news, 16 Oct. 2025
Salmonella infection may spread from the intestines to the bloodstream and then to other parts of the body.
—Matthew Robinson, MSNBC Newsweek, 16 Oct. 2025
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Maggie O'Neill, Verywell Health, 17 Oct. 2025
Over the past decade, this unassuming budget wonk and self-proclaimed Christian nationalist has quietly injected his ideas into the bloodstream of American politics.
—Lisa Riordan Seville, ProPublica, 17 Oct. 2025
Patients with pneumonia might face complications, including sepsis or bacteria in the bloodstream, difficulty breathing, fluid around the lungs and abscesses in the lungs.
—Rebecca Cohen, NBC news, 16 Oct. 2025
Salmonella infection may spread from the intestines to the bloodstream and then to other parts of the body.
—Matthew Robinson, MSNBC Newsweek, 16 Oct. 2025
See All Example Sentences for bloodstream
Cite this Entry
“Bloodstream.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bloodstream. Accessed 25 Oct. 2025.
Copy CitationKids Definition
bloodstream
noun
blood·stream
-ˌstrēm
: the flowing blood in a living thing with a circulatory system
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