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

Type of: blood group, blood type

• print buffer
• print media
• print over
• print queue
• print run
• print seller
• print shop
• printable
• printed circuit
• printed symbol
• printer
• printer cable
• printer's devil
• printer's ink
• printery
• printing
• printing business
• printing company
• printing concern
• printing ink
• printing machine
• printing operation
• printing press
• printing process
• printing shop