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.
When left untreated, this condition can lead to rare but potentially life-threatening complications, like cellulitis (a skin infection that can get into your bloodstream) and cavernous sinus thrombosis (a clot that restricts blood flow to your brain), Dr. Shokeen explains. Jenna Ryu, SELF, 1 Nov. 2024 So there’s the ability to detect early signs of tumors within the bloodstream of a patient. quantamagazine.org, 15 Oct. 2024 Key Takeaways Flesh-eating Vibrio bacteria in floodwaters can invade the bloodstream and cause fatal infections. Lisa Rapaport, EverydayHealth.com, 11 Oct. 2024 Hummingbirds cope with the onslaught by having leaky guts so that sugars can enter the bloodstream between gut cells instead of only through them. Bob Holmes, Smithsonian Magazine, 9 Oct. 2024 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 21 Nov. 2024.

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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!