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coelostat: Meaning and Definition of

coe•lo•stat

Pronunciation: (sē'lu-stat"), [key]
— n. Astron.
  1. an apparatus consisting of a mirror driven by clockwork, used to enable a fixed telescope to keep the same area of sky in its field of view by compensating for the apparent rotation of the celestial sphere. Cf. siderostat.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
coeloscope coenesthesia
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