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Pronunciation varies by accent · noun
(dated) An instrument for determining the sensibility of the plates employed in photographic processes to luminous rays..
Use photographometer when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Photographometer means (dated) An instrument for determining the sensibility of the plates employed in photographic processes to luminous rays..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use photographometer where its definition matches the intended context.
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