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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
Examples of bloodstream in a Sentence
The drug is now entering the bloodstream.
Recent Examples on the Web
The term ‘bioavailability’ refers to how much of a drug actually reaches the bloodstream.
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Paul McClure 13, New Atlas, 13 Feb. 2025
Botulism antitoxin can neutralize botulinum toxin that’s reached your bloodstream, helping to prevent any further nerve damage to your body.
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Caroline C. Boyle, USA TODAY, 9 Feb. 2025
Carbohydrates, which are found in high amounts in foods like bread, rice and pasta, are directly converted to sugar, or glucose, which is then absorbed into the bloodstream.
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Vruti Venkatesan, NBC News, 2 Feb. 2025
Even more, a 2022 review proposed that probiotics could increase the amount of amino acids absorbed into the bloodstream, potentially building muscle mass.
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Julia Ries, Outside Online, 29 Jan. 2025
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Word History
First Known Use
13th century, in the meaning defined at sense 1
Time Traveler
The first known use of bloodstream was
in the 13th century
Dictionary Entries Near bloodstream
Cite this Entry
“Bloodstream.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bloodstream. Accessed 19 Feb. 2025.
Kids Definition
bloodstream
noun
blood·stream
-ˌstrēm
: the flowing blood in a living thing with a circulatory system
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