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Pronunciation varies by accent · noun
(astronomy) A device that rotates a telescope so as to keep its orientation constant with relation to the stars..
Use coelostat when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Coelostat means (astronomy) A device that rotates a telescope so as to keep its orientation constant with relation to the stars..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use coelostat where its definition matches the intended context.
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