Coelostat

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [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]



From WordNet (r) 2.0 [wn]:

  coelostat
       n : 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