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Has a movable and a fixed mirror
Answer for the clue "Has a movable and a fixed mirror ", 9 letters:
coelostat
Alternative clues for the word coelostat
Word definitions for coelostat in dictionaries
WordNet
Word definitions in WordNet
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
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
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] ||
Wiktionary
Word definitions in Wiktionary
n. (context astronomy English) A device that rotates a telescope so as to keep its orientation constant with relation to the (l en stars).
Usage examples of coelostat.
We even have coelostats, little devices that will spin the opposite way to the ship, if we need them.