1. The blood group whose red cells lack the Rh factor (Rh antigen)
   - Rh-negative blood, Rh negative

Type of: blood group, blood type

• Diptera
• dipteran
• dipterocarp
• Dipterocarpaceae
• dipteron
• Dipteronia
• dipterous
• dipterous insect
• Dipteryx
• Dipteryx odorata
• diptych
• Dipus
• Dipylon
• Dipylon gate
• Dirac
• Dirca
• Dirca palustris
• dire
• dire straits
• direct
• direct access
• direct action
• direct antonym
• direct contrast
• direct correlation