The throwing back by a body or surface of light, heat, or sound without absorbing it. Reflection of sound from the walls can cause an echo in the hall.
An image seen in a mirror or shiny surface. She checked her reflection in the mirror before leaving the house.
A thought, idea, or opinion formed or a remark made as a result of meditation. His reflection on the day's events led to a new understanding of the situation.
Careful thought about something, sometimes over a long period of time. After much reflection, she decided to accept the job offer.
A mathematical transformation that produces a mirror image of a figure across a line, plane, or point. A reflection across the y-axis maps (x, y) to (−x, y).
Something that reveals, represents, or is a sign of a particular situation, quality, or attitude. The low voter turnout is a reflection of public disenchantment with politics.