coelostat, n.
(coelostats)
(coelostats)
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
<noun.artifact>
coelostat
semantic pointers
hypernym
Word
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
<noun.artifact>
coelostat