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
The Antibiotic Level in Your Body Drops Antibiotics need to stay at a consistent level in your bloodstream to effectively kill bacteria.
—Ashley Wong, Health, 27 Dec. 2025
When consumed in excess, sodium causes your body to retain water, which increases the volume of blood in your bloodstream.
—Md Published, Verywell Health, 26 Dec. 2025
That's because Novo Nordisk had to design the pill in a way that prevented the drug from being broken down in the stomach before it could be absorbed by the bloodstream.
—CBS News, 23 Dec. 2025
Porter revealed that he was hospitalized this fall after being diagnosed with urosepsis, a severe and potentially life-threatening complication that occurs when a urinary tract infection spreads into the bloodstream.
—Jessica Lynch, Billboard, 23 Dec. 2025
See All Example Sentences for bloodstream
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Ashley Wong, Health, 27 Dec. 2025
When consumed in excess, sodium causes your body to retain water, which increases the volume of blood in your bloodstream.
—Md Published, Verywell Health, 26 Dec. 2025
That's because Novo Nordisk had to design the pill in a way that prevented the drug from being broken down in the stomach before it could be absorbed by the bloodstream.
—CBS News, 23 Dec. 2025
Porter revealed that he was hospitalized this fall after being diagnosed with urosepsis, a severe and potentially life-threatening complication that occurs when a urinary tract infection spreads into the bloodstream.
—Jessica Lynch, Billboard, 23 Dec. 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 31 Dec. 2025.
Copy CitationKids Definition
bloodstream
noun
blood·stream
-ˌstrēm
: the flowing blood in a living thing with a circulatory system
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