trans·​fuse | \ tran(t)s-ˈfyüz How to pronounce transfuse (audio) \
transfused; transfusing

Definition of transfuse

transitive verb

1a : to transfer (fluid, such as blood) into a vein or an artery of a person or animal
b : to subject (a patient) to transfusion
2a : to cause to pass from one to another : transmit
b : to diffuse into or through : permeate sunlight transfuses the bay

Keep scrolling for more

Other Words from transfuse

transfusible or transfusable \ tran(t)s-​ˈfyü-​zə-​bəl How to pronounce transfusable (audio) \ adjective

Examples of transfuse in a Sentence

The hospital staff transfuses more than 8,000 units of blood annually. a teacher who is able to transfuse his enthusiasm and passion for history to his students

Recent Examples on the Web

Red blood-cells are then mixed with an anticoagulant and transfused back into the donor. The Economist, "Bans on paying for human blood distort a vital global market," 10 May 2018 According to America’s Blood Centers — a separate group from the Red cross — 15 million pints of blood are transfused into people every year in the U.S. Who needs it? NBC News, "Red Cross seeks more blood with #MissingType campaign," 11 June 2018 In trauma situations, when there’s no time to check a patient’s blood type, emergency personnel reach for type O negative red blood cells and type AB plasma because they can be transfused to any patient, regardless of blood type. azcentral, "American Red Cross needs blood to meet summer demands," 25 Apr. 2018 Most of this comes from plasma-collection centres, where it is extracted from whole blood and the platelets and blood-cells are transfused back into the donor. The Economist, "Lift bans on paying for human-blood plasma," 12 May 2018 Because platelets must be transfused within five days of donation, there is a constant — often critical — need to keep up with hospital demand. azcentral, "American Red Cross needs blood to meet summer demands," 25 Apr. 2018 Smith said about the professionals who transport patients to a hospital and emergency staff that can transfuse blood and quickly patch severed vessels in the operating room. Meredith Cohn,, "Training can help people stop bleeding from traumatic injuries, experts say," 21 Apr. 2018 Recent research has shown that transfusing this mixture rather than individual components improves survival rates. The Economist, "Damage controlTrauma medicine has learned lessons from the battlefield," 12 Oct. 2017 A secondary benefit, of course, would be the ability to transfuse victims more quickly. John Kelly, Washington Post, "Sharp needles for the Cold War: Yes, some kids got tattooed with their blood type," 19 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'transfuse.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of transfuse

15th century, in the meaning defined at sense 2a

History and Etymology for transfuse

Middle English, from Latin transfusus, past participle of transfundere, from trans- + fundere to pour — more at found

Keep scrolling for more

Learn More about transfuse

Statistics for transfuse

Look-up Popularity

Time Traveler for transfuse

The first known use of transfuse was in the 15th century

See more words from the same century

Keep scrolling for more

More Definitions for transfuse



English Language Learners Definition of transfuse

medical : to take (blood) from one person or animal and put it into another


transitive verb
trans·​fuse | \ tran(t)s-ˈfyüz How to pronounce transfuse (audio) \
transfused; transfusing

Medical Definition of transfuse

1 : to transfer (as blood) into a vein or artery of a human being or an animal
2 : to subject (a patient) to transfusion

More from Merriam-Webster on transfuse

Thesaurus: All synonyms and antonyms for transfuse

Comments on transfuse

What made you want to look up transfuse? Please tell us where you read or heard it (including the quote, if possible).


behavior toward others

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
Spell It

Can you spell these 10 commonly misspelled words?

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!