Noun: Rh negative
- The blood group whose red cells lack the Rh factor (Rh antigen)
- Rh-negative blood type, Rh-negative blood
- Of persons (or their blood) lacking the Rh factor present in their red blood cells
"Rh-negative blood is less common than Rh-positive"
Type of: blood group, blood type
Antonym: rh-positive
Encyclopedia: Rh negative
Rh-negative