type o

1. 1.

   the blood group whose red cells carry neither the A nor B antigens

   “people with type O blood are universal donors”

   SynonymsOgroup O

   Broaderblood group

Questions about type o

What does type o mean?

type o means "the blood group whose red cells carry neither the A nor B antigens".

What is another word for type o?

Close synonyms include O, group O. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is type o a common word?