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universal donor

American  

noun

  1. a person with blood of group O.


universal donor British  

noun

  1. a person who has blood of group O and whose blood may be safely transfused to persons with most other blood types

"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

universal donor Scientific  
/ yo̅o̅′nə-vûr′səl /
  1. A person who has group O blood and is therefore able to serve as a donor to a person with any other blood type. Group O blood contains red blood cells that do not have the antigen A or B and thus do not react with antibodies to these antigens found in the plasma of the other blood types.

  2. See also blood type


Etymology

Origin of universal donor

First recorded in 1920–25

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:

Successfully converting A or B blood types into ABO universal donor blood can markedly reduce the logistics and costs currently associated with storing four different blood types.

From Science Daily ● Apr. 29, 2024

Hollis notes that his blood is type O negative, commonly called a universal donor, because it can be given to people with any type of blood.

From Seattle Times ● Dec. 9, 2022

A universal donor cell engineered to lack surface antigen proteins that can be recognized by the immune system would prevent this issue.

From Nature ● May 25, 2020

It’s one of those books that I think of as a universal donor: everyone I give that book to is thrilled by it.

From The Guardian ● Sep. 21, 2019

One problem with this designation of universal donor is if the O− individual had prior exposure to Rh antigen, Rh antibodies may be present in the donated blood.

From Textbooks ● Jun. 19, 2013

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