Symmetry - Definition

n 1: (mathematics) an attribute of a shape or relation; exact
reflection of form on opposite sides of a dividing line or
plane [syn: symmetry, symmetricalness,
correspondence, balance] [ant: asymmetry,
dissymmetry, imbalance]
2: balance among the parts of something [syn: symmetry,
proportion] [ant: disproportion]
3: (physics) the property of being isotropic; having the same
value when measured in different directions [syn: isotropy,
symmetry] [ant: anisotropy]