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Pronunciation varies by accent · noun
(aviation) The rotation of the blades of a helicopter driven solely by the action of ascending air.
Use autorotation when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Autorotation means (aviation) The rotation of the blades of a helicopter driven solely by the action of ascending air.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use autorotation where its definition matches the intended context.
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