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Pronunciation varies by accent · noun
An early electronic amplifying tube consisting of a partially evacuated glass tube with three electrodes, a heated filament, a grid, and a plate..
Use audion when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Audion means An early electronic amplifying tube consisting of a partially evacuated glass tube with three electrodes, a heated filament, a grid, and a plate..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use audion where its definition matches the intended context.
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