n. Something which reflects heat, light or sound, especially something having a reflecting surface.
n. A reflecting telescope.
n. A small, often red, reflecting disk on the rear of a vehicle or bicycle that reflects the headlights of other vehicles.
the GNU version of the Collaborative International Dictionary of English
n. One who, or that which, reflects.
n.
n. Something having a polished surface for reflecting light or heat, as a mirror, a speculum, etc.
n. A reflecting telescope.
n. A device for reflecting sound.
The Century Dictionary and Cyclopedia
n. One who reflects or considers.
n. One who casts reflections; a censurer.
n. That which reflects.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. device that reflects radiation
n. optical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepiece
Word Usage
"Douglas - not 'reflector' - greenhouse gases absorb photons, their energy (vibration, rotation, speed) increases; they transfer energy by collisions, and they emit photons."