| Refractor 1. (n.) Anything that refracts 2. (n.) A refracting telescope, in which the image to be viewed is formed by the refraction of light in passing through a convex lens. Thesaurus Entries Cassegrainian telescope, Newtonian telescope, OAO, OSO, astronomical observatory, astronomical telescope, coelostat, coronagraph, coronograph, heliostat, observatory, orrery, planetarium, radar telescope, radio observatory, radio telescope, reflector, spectrograph, spectroheliograph, spectrohelioscope, spectroscope, telescope |