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universal donor

noun

  1. a person with blood of group O.


universal donor

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

/ yo̅o̅′nə-vûrsəl /

  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


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Word History and Origins

Origin of universal donor1

First recorded in 1920–25

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universal classuniversal gas constant