Dictionary

universal donor

noun

Definition of UNIVERSAL DONOR

:  a person with blood group O blood which can be donated to any recipient; also :  the blood of such a person

First Known Use of UNIVERSAL DONOR

1922
Medical Dictionary

universal donor

noun

Medical Definition of UNIVERSAL DONOR

1
:  a person who has Rh-negative blood of the blood group O and whose blood can be donated to any recipient; broadly :  a person with blood group O blood
2
:  the blood or blood group of a universal donor

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