Term: unknown quantity: a factor in a given situation whose bearing and importance is not apparent
Broader: factor: anything that contributes causally to a result | Unrelated: mahdist: an adherent of Mahdism
Broader: factor: anything that contributes causally to a result | Unrelated: ornithogalum: sometimes placed in family Hyacinthaceae
Broader: factor: anything that contributes causally to a result | Unrelated: urgency: pressing importance requiring speedy action
Broader: factor: anything that contributes causally to a result | Unrelated: concave polyhedron: a polyhedron some of whose plane sections are concave polygons
Broader: factor: anything that contributes causally to a result | Unrelated: blackmail: extortion of money by threats to divulge discrediting information
Broader: factor: anything that contributes causally to a result | Unrelated: box: the quantity contained in a box
Broader: factor: anything that contributes causally to a result | Unrelated: neritic zone: the ocean waters from the low tide mark to a depth of about 100 fathoms
Broader: factor: anything that contributes causally to a result | Unrelated: z-axis: the third axis in a 3-dimensional coordinate system
Broader: factor: anything that contributes causally to a result | Unrelated: military rank: rank in a military organization
Broader: factor: anything that contributes causally to a result | Unrelated: double leg circle: a gymnastic exercise performed on the pommel horse when the gymnast (with legs together) swings his legs in a circle while alternating hands on the pommels