heliostat
Noun
Meaning
An instrument consisting of a mirror moved by clockwork, by which a sunbeam is made apparently stationary, by being steadily directed to one spot during the whole of its diurnal period; also, a geodetic heliotrope.
Source: Webster's dictionarySynonyms
observatory
planetarium
telescope
reflector
spectroscope
spectrograph
solar collector
refractor
solar concentrator
multistage solar energy concentrator
linear fresnel reflector
mirror-based solar concentrator
fixed-mirror solar concentrator
line-focus solar collector
concentrated solar collector
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