axis of symmetry

noun

Mathematics. a straight line for which every point on a given curve has corresponding to it another point such that the line connecting the two points is bisected by the given line.

Crystallography. rotation axis.

Words nearby axis of symmetry

axis deviation, axis of abscissas, axis of evil, axis of ordinates, axis of revolution, axis of symmetry, axis powers, axis traction, axis-traction forceps, axisymmetric, axle

Origin of axis of symmetry

First recorded in 1875–80