1. the blood group (approximately 85% of people) whose red cells have the Rh factor (Rh antigen); [syn: Rh-positive blood type, Rh positive]
WordNet (r) 3.0 (2006):
Rh positive
n 1: the blood group (approximately 85% of people) whose red
cells have the Rh factor (Rh antigen) [syn: Rh-positive
blood type, Rh positive]