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Pronunciation varies by accent · noun
(physics, astronomy) The collimation of a telescope by means of a plane mirror.
Use autocollimation when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Autocollimation means (physics, astronomy) The collimation of a telescope by means of a plane mirror.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use autocollimation where its definition matches the intended context.
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