Rhalso: アールエイチFreq.FrequencyTop 50,000Meanings1nounRh; Rhesus factormedicine›Medical term for the Rhesus blood group antigen; used in phrases like Rh式血液型.Rh式しき血けつ液えき型がたは、赤せっ血けっ球きゅうにある抗こう原げんの有う無むで決きまります。The Rh blood type is determined by the presence or absence of an antigen on red blood cells.