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Pronunciation varies by accent · noun
An optical instrument used to measure the transmission of light through a material; typically used to measure visibility through fog..
Use transmissometer when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Transmissometer means An optical instrument used to measure the transmission of light through a material; typically used to measure visibility through fog..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use transmissometer where its definition matches the intended context.
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