parabolic mirror

parabolic mirror

n. A concave mirror, generally circular and with a parabolic cross-section, used either to concentrate radiation reflected from its surface onto a central focal point (as in a parabolic antenna) or to direct radiation emitted by the central focal point and reflected from the mirror into parallel beams (as in an automobile's headlights).

Thesaurus

Noun

1.

parabolic mirror - a parabolic reflector for light radiationparabolic 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 beamreflecting 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 1668"