Aeronautics. The shape or outline of an aircraft wing, helicopter blade, etc., as projected upon a horizontal plane.
| 单词 | θ207781 |
| 释义 | society > travel > air or space travel > a means of conveyance through the air > aeroplane > parts of aircraft > [noun] > plane or aerofoil > wing > shape in plan (1) planform1908 Aeronautics. The shape or outline of an aircraft wing, helicopter blade, etc., as projected upon a horizontal plane. |
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