rh positive is a noun meaning "the blood group (approximately 85% of people) whose red cells have the Rh factor (Rh antigen)". It carries one recorded sense.
the blood group (approximately 85% of people) whose red cells have the Rh factor (Rh antigen)
Definitions, synonyms and semantic relations for rh positive come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.