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 someone consumes silver particles, the metal moves from the gut into the bloodstream in its ionic form. Ars Technica, 10 Jan. 2025 Wildfire smoke contains many pollutants, including tiny particles that can get into your lungs and even your bloodstream, says Sara Adar, a professor of epidemiology and global public health at the University of Michigan School of Public Health. Chantelle Lee, TIME, 9 Jan. 2025 In an extreme situation like this one, the gut bacteria start to break down, and endotoxins—the toxins that come from inside bacterial cells—enter the bloodstream, leading to inflammation and other problems, explains Fedirko. Betsy Andrews, Saveur, 9 Jan. 2025 The tiniest particles in smoke can travel deep into your lungs or even enter your bloodstream. Karen Kaplan, Los Angeles Times, 8 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 15 Jan. 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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