universal donor

noun
1.
a person with blood of group O.
Origin of universal donor
1920-25
Examples from the web for universal donor
  • Know risks of disease transmission and universal donor and recipient types for transfusion.
British Dictionary definitions for universal donor

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
universal donor in Medicine

universal donor u·ni·ver·sal donor (yōō'nə-vûr'səl)
n.
A person whose red blood cells do not contain agglutinogen A or B and are therefore not agglutinated by plasma containing either of the ordinary isoagglutinins, alpha or beta; a person who has group O blood.

universal donor in Science
universal donor
  (y'nə-vûr'səl)   
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. See also blood type.