Definition of coelostat in English:

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coelostat

Pronunciation: /ˈsēləˌstat/

noun

Astronomy
An advanced version of a heliostat, having a rotating mirror that continuously reflects the light from the same area of sky, allowing the path of a celestial object to be monitored.
Example sentences
  • This error can be reduced substantially by choosing the coelostat position and time interval.
  • Back in Ottawa, a specially designed shed with a roll off section housed the coelostat for almost 70 years.
  • To create rotating images in the full 360-degree range, two sets of coelostats can be combined, each compensating for the dead zone of the other.

Origin

Late 19th century: formed irregularly from Latin caelum 'sky' + -stat.

For editors and proofreaders

Syllabification: coe·lo·stat

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