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Pronunciation varies by accent · noun
A form of spirometer that measures and displays the velocity of airflow.
Use pneumotachograph when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Pneumotachograph means A form of spirometer that measures and displays the velocity of airflow.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use pneumotachograph where its definition matches the intended context.
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