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.
Origin of axis of symmetry
First recorded in 1875–80
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