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Pronunciation varies by accent · noun
(aviation) A recognizable natural or man-made feature used for aerial navigation..
Use airmark when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Airmark means (aviation) A recognizable natural or man-made feature used for aerial navigation..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use airmark where its definition matches the intended context.
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