'coelostat' definitions:
Definition of 'coelostat'
From: WordNet
noun
Optical device used to follow the path of a celestial body and reflect its light into a telescope; has a movable and a fixed mirror
Definition of 'coelostat'
From: GCIDE
- coelostat \coe"lo*stat\ n. an optical instrument used to follow the path of a celestial body and reflect its light into a telescope; it has a movable and a fixed mirror. [WordNet 1.5]