| Reflector (n.) One who, or that which, reflects. |
| Reflector (n.) Something having a polished surface for reflecting light or heat, as a mirror, a speculum, etc. |
| Reflector (n.) A reflecting telescope. |
| Reflector (n.) A device for reflecting sound. |
| Herschelian telescope / off-axis reflector a reflecting telescope with the mirror slightly tilted to throw the image to the side where it can be viewed |
| Newtonian telescope / Newtonian reflector reflecting telescope in which the image is viewed through an eyepiece perpendicular to main axis |
| parabolic reflector / paraboloid reflector a concave reflector used to produce a parallel beam when the source is placed at its focus or to focus an incoming parallel beam |
| radio telescope / radio reflector astronomical telescope that picks up electromagnetic radiations in the radio-frequency range from extraterrestrial sources |
| reflecting telescope / reflector optical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepiece, "Isaac Newton invented the reflecting telescope in " |
| reflector device that reflects radiation |