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 …—
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Harper'sExamples of bloodstream in a Sentence
The drug is now entering the bloodstream.
Recent Examples on the Web
Pairing mango with protein can further help reduce its impact by slowing the release of sugar into the bloodstream.
—Jillian Kubala, Health, 8 May 2026
The transdermal stickers, created with ultrasmall vitamin particles, use body heat to deliver ingredients directly into the bloodstream, working for up to 12 hours at a time, Davis-Urman said.
—Laya Neelakandan, CNBC, 6 May 2026
Within 30 to 45 minutes of opening your eyes, your bloodstream floods with cortisol.
—Allison Palmer, Charlotte Observer, 6 May 2026
The announcement noted that in rare cases, Salmonella organisms can get into the bloodstream and cause severe illnesses like arterial infections, endocarditis and arthritis.
—Chiara Kim, PEOPLE, 5 May 2026
See All Example Sentences for bloodstream
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Jillian Kubala, Health, 8 May 2026
The transdermal stickers, created with ultrasmall vitamin particles, use body heat to deliver ingredients directly into the bloodstream, working for up to 12 hours at a time, Davis-Urman said.
—Laya Neelakandan, CNBC, 6 May 2026
Within 30 to 45 minutes of opening your eyes, your bloodstream floods with cortisol.
—Allison Palmer, Charlotte Observer, 6 May 2026
The announcement noted that in rare cases, Salmonella organisms can get into the bloodstream and cause severe illnesses like arterial infections, endocarditis and arthritis.
—Chiara Kim, PEOPLE, 5 May 2026
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 May. 2026.
Copy CitationKids Definition
bloodstream
noun
blood·stream
-ˌstrēm
: the flowing blood in a living thing with a circulatory system
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