bloodstream

noun

blood·​stream ˈbləd-ˌstrēm How to pronounce bloodstream (audio)
1
: the flowing blood in a circulatory system
2
: a mainstream of power or vitality
introduce into the economic bloodstream a large amount of moneyHarper's

Examples of bloodstream in a Sentence

The drug is now entering the bloodstream.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The term ‘bioavailability’ refers to how much of a drug actually reaches the bloodstream. 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. 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. 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. Julia Ries, Outside Online, 29 Jan. 2025 See all Example Sentences for bloodstream 

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 How to pronounce bloodstream (audio)
: the flowing blood in a living thing with a circulatory system

Medical Definition

bloodstream

noun
blood·​stream -ˌstrēm How to pronounce bloodstream (audio)
: the flowing blood in a circulatory system

More from Merriam-Webster on bloodstream

Last Updated: - Updated example sentences
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