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Meaning of o- | Babel Free

Noun CEFR C2

Definitions

A blood type that has no antigens. It lacks the A, B and Rh factors on the blood cells. It is the universal donor for blood and can give blood to any blood type, but can only receive O- blood.

CEFR level

C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
See all C2 English words →

See also

O-1 O-1A O-1B O-ch'eng O-chem O-chou

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