|1.||a surface, such as polished metal or glass coated with a metal film, that reflects light without diffusion and produces an image of an object placed in front of it|
|2.||such a reflecting surface mounted in a frame|
|3.||any reflecting surface|
|4.||a thing that reflects or depicts something else: the press is a mirror of public opinion|
|5.||(tr) to reflect, represent, or depict faithfully: he mirrors his teacher's ideals|
|[C13: from Old French from mirer to look at, from Latin mīrārī to wonder at]|
|mirror (mĭr'ər) Pronunciation Key
An object that causes light or other radiation to be reflected from its surface, with little or no diffusion. Common mirrors consist of a thin sheet or film of metal, such as silver, behind or covering a glass pane. Mirrors are used extensively in telescopes, microscopes, lasers, fiber optics, measuring instruments, and many other devices. See more at reflection.