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Pronunciation varies by accent · noun
(physics) A device that uses a plane mirror to align or collimate optical devices.
Use autocollimator when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Autocollimator means (physics) A device that uses a plane mirror to align or collimate optical devices.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use autocollimator where its definition matches the intended context.
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