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artificial blood

American

noun

a chemical emulsion, capable of carrying oxygen and carbon dioxide, for temporary use as a blood substitute in medical emergencies or when a patient objects to blood transfusions on religious grounds.

Etymology

Origin of artificial blood

First recorded in 1970–75

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.

In one recent example, teams of tiny magnetic robots—each about the size of a grain of sand—cleared blockages in artificial blood vessels by forming chains to push through the obstructions.

From The Wall Street Journal • Nov. 7, 2025

On a recent episode of What Next, host Mary Harris spoke to Twilley about the bleeding edge of artificial blood research and why we need more blood in the first place.

From Slate • Sep. 1, 2025

Now, researchers have found a way to bridge the gap between in vitro and in vivo research: artificial blood vessels.

From Science Magazine • Jun. 5, 2024

When inflated, the system twists and squeezes the heart like real heart muscle, pumping artificial blood through a mock circulation system and simulating the beat of a biological heart.

From Science Daily • Jan. 10, 2024

What avails it you that they are always injecting you with fresh artificial blood?

From Human, All-Too-Human, Part II by Nietzsche, Friedrich Wilhelm

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