Definition of universal donor in English:

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universal donor

noun

A person of blood group O, who can in theory donate blood to recipients of any ABO blood group.
Example sentences
  • It's O negative blood that makes a universal donor.
  • People with ‘O’ type blood are universal donors.
  • As blood group O negative we are, apparently, much in demand as universal donors, and the blood service is more than welcome to as much of the stuff as they can safely pump out of us.

For editors and proofreaders

Syllabification: u·ni·ver·sal do·nor

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