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
Even short periods of convalescence, from one to three days, increase the likelihood of a condition called deep venous thrombosis, which can cause clots to break loose in the extremities and travel through the bloodstream, passing through the heart and lodging in the lungs.
—Paul Sisson, San Diego Union-Tribune, 7 Sep. 2025
Blood sugar, also known as blood glucose, is the primary fuel for the body, derived from food and released into the bloodstream.
—Amber J. Tresca, Verywell Health, 6 Sep. 2025
When the bite begins to itch and people scratch it, the parasite then gets into the person’s bloodstream.
—Kimberlee Speakman, PEOPLE, 6 Sep. 2025
Poor glucose regulation results in too much glucose in the bloodstream, and this can be caused in two different ways.
—Bryant Stamford, Louisville Courier Journal, 4 Sep. 2025
See All Example Sentences for bloodstream
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Paul Sisson, San Diego Union-Tribune, 7 Sep. 2025
Blood sugar, also known as blood glucose, is the primary fuel for the body, derived from food and released into the bloodstream.
—Amber J. Tresca, Verywell Health, 6 Sep. 2025
When the bite begins to itch and people scratch it, the parasite then gets into the person’s bloodstream.
—Kimberlee Speakman, PEOPLE, 6 Sep. 2025
Poor glucose regulation results in too much glucose in the bloodstream, and this can be caused in two different ways.
—Bryant Stamford, Louisville Courier Journal, 4 Sep. 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 12 Sep. 2025.
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bloodstream
noun
blood·stream
-ˌstrēm
: the flowing blood in a living thing with a circulatory system
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