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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
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).
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] ||
Usage examples of coelostat.
We even have coelostats, little devices that will spin the opposite way to the ship, if we need them.