Term: rh-negative blood type: the blood group whose red cells lack the Rh factor (Rh antigen)
Broader: blood group: human blood cells (usually just the red blood cells) that have the same antigens | Unrelated: bout: a period of illness
Broader: blood group: human blood cells (usually just the red blood cells) that have the same antigens | Unrelated: overexploitation: exploitation to the point of diminishing returns
Broader: blood group: human blood cells (usually just the red blood cells) that have the same antigens | Unrelated: terminal: station where transport vehicles load or unload passengers or goods
Broader: blood group: human blood cells (usually just the red blood cells) that have the same antigens | Unrelated: order book: a book in which customers' orders are entered; usually makes multiple copies of the order
Broader: blood group: human blood cells (usually just the red blood cells) that have the same antigens | Unrelated: cotyledon: embryonic leaf in seed-bearing plants
Broader: blood group: human blood cells (usually just the red blood cells) that have the same antigens | Unrelated: monkey business: mischievous or deceitful behavior
Broader: blood group: human blood cells (usually just the red blood cells) that have the same antigens | Unrelated: nenets: a Uralic language spoken by a Samoyed of northern Siberia
Broader: blood group: human blood cells (usually just the red blood cells) that have the same antigens | Unrelated: treasure: any possession that is highly valued by its owner
Broader: blood group: human blood cells (usually just the red blood cells) that have the same antigens | Unrelated: bluegill: important edible sunfish of eastern and central United States
Broader: blood group: human blood cells (usually just the red blood cells) that have the same antigens | Unrelated: cord blood: blood obtained from the umbilical cord at birth