paraboloid reflector
English Thesaurus
1. a concave reflector used to produce a parallel beam when the source is placed at its focus or to focus an incoming parallel beam (noun.artifact)
hypernym | : | reflector, |
definition | : | device that reflects radiation (noun.artifact) |
hyponym | : | parabolic mirror, |
definition | : | a parabolic reflector for light radiation (noun.artifact) |
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