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Pronunciation varies by accent · adjective
(dated) Of or relating to an optical arrangement for forming images in a darkened room..
scioptic apparatus
Use scioptic when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Scioptic means (dated) Of or relating to an optical arrangement for forming images in a darkened room..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
scioptic apparatus
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