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blood transfusion

American

noun

the injection of blood from one person or animal into the bloodstream of another.

transfusion, blood Cultural

The injection of blood received from a donor into the bloodstream of another individual having a compatible blood type. A person may need a blood transfusion if a great deal of blood has been lost through surgery or trauma.

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If the blood supply is contaminated, diseases such as hepatitis and AIDS can be passed to someone who receives a blood transfusion.

Etymology

Origin of blood transfusion

First recorded in 1875–80

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.

“I got my blood transfusion when I married my wife.”

From Los Angeles Times • Dec. 18, 2025

The second time it happened, Harrison experienced life-threatening sepsis and had to travel to a hospital outside her insurance network to receive a blood transfusion, the complaint states.

From Los Angeles Times • Sep. 30, 2025

The network desperately needed something fresh – not just a facelift, but a full blood transfusion.

From Salon • Aug. 2, 2025

He was also an educator on many issues, and specifically HIV/Aids, which he succumbed to, after contracting the disease from a blood transfusion during heart surgery in the early 1980s.

From BBC • Jul. 4, 2025

As he was dying, word spread throughout Hayti that he needed a blood transfusion.

From "The Best of Enemies" by Osha Gray Davidson

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023