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Pronunciation varies by accent · noun
The recording or study of photoplethysmographs.
Use photoplethysmography when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Photoplethysmography means The recording or study of photoplethysmographs.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use photoplethysmography where its definition matches the intended context.
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