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 recent demonstrations, 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. 1, 2025

That really lit a fire under the artificial blood researchers.

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