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bloodstream

American  
[bluhd-streem] / ˈblʌdˌstrim /

noun

  1. the blood flowing through a circulatory system.


bloodstream British  
/ ˈblʌdˌstriːm /

noun

  1. the flow of blood through the vessels of a living body

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of bloodstream

First recorded in 1870–75; blood + stream

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Parton wrote a lot of songs, but none pump through the American bloodstream like “I Will Always Love You.”

From The Wall Street Journal Aug. 30, 2026

These tiny particles can penetrate deep into the lungs, enter the bloodstream and have been linked to cardiovascular and respiratory diseases, lung cancer and premature death.

From Barron's Aug. 28, 2026

King Harald V of Norway's health has worsened, the palace has said, as he remains in hospital receiving antibiotics for a bacterial infection in his bloodstream.

From BBC Aug. 24, 2026

The condition develops as prolonged high blood sugar damages tiny blood vessels within the kidneys, gradually interfering with their ability to remove waste from the bloodstream.

From Science Daily Aug. 18, 2026

The sting of the hand sanitizer was gone now, which meant the bacteria were back to breeding, spreading through my finger into the bloodstream.

From "Turtles All the Way Down" by John Green

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