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Pronunciation varies by accent · noun
An instrument for measuring the intensity of photogenic rays and computing the power of object glasses..
Use dynactinometer when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Dynactinometer means An instrument for measuring the intensity of photogenic rays and computing the power of object glasses..
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The opposite depends on the specific sense.
Use dynactinometer where its definition matches the intended context.
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