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Pronunciation varies by accent · adjective
(aeronautics, of an engine or missile) Using the air from the atmosphere for combustion.
Use air breathing when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Air breathing means (aeronautics, of an engine or missile) Using the air from the atmosphere for combustion.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use air breathing where its definition matches the intended context.
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