reflection

A likeness in which left and right are reversed.

The image of something as reflected by a mirror (or other reflective material).

“he studied his reflection in the mirror”

The ability to reflect beams or rays.

Expression without words.

“the pulse is a reflection of the heart's condition”

The phenomenon of a propagating wave (light or sound) being thrown back from a surface.

A calm, lengthy, intent consideration.

A remark expressing careful consideration.

(mathematics) a transformation in which the direction of one axis is reversed.