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
Metastatic prostate cancer is when cancer spreads via the bloodstream or lymph nodes to other parts of the body, like the bones, liver, lungs, or brain.
—Matthew Wosnitzer, Verywell Health, 28 Apr. 2025
Some glucose is stored in the liver, but most is released into the bloodstream.
—Merve Ceylan, Health, 25 Apr. 2025
When a person breathes these particles in, they can get stuck in the lungs and move into the bloodstream, causing irritation and inflammation.
—Jen Christensen, CNN Money, 23 Apr. 2025
This can interfere with the body’s ability to flush out its system, resulting in matter entering into the bloodstream that typically is excreted and increasing your risk of inflammatory bowel disease (IBD) and/or chronic liver disease.
—Carmen Rios, Flow Space, 23 Apr. 2025
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Matthew Wosnitzer, Verywell Health, 28 Apr. 2025
Some glucose is stored in the liver, but most is released into the bloodstream.
—Merve Ceylan, Health, 25 Apr. 2025
When a person breathes these particles in, they can get stuck in the lungs and move into the bloodstream, causing irritation and inflammation.
—Jen Christensen, CNN Money, 23 Apr. 2025
This can interfere with the body’s ability to flush out its system, resulting in matter entering into the bloodstream that typically is excreted and increasing your risk of inflammatory bowel disease (IBD) and/or chronic liver disease.
—Carmen Rios, Flow Space, 23 Apr. 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 7 May. 2025.
Copy CitationKids Definition
bloodstream
noun
blood·stream
-ˌstrēm
: the flowing blood in a living thing with a circulatory system
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