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单词 quadruplane
释义

quadruplane

/ˈkwɒdrʊpleɪn/
(also quadriplane)
noun
1 Mathematics. A structure consisting of four rigid plane pieces, each in the form of a right-angled V, hinged end to end to form a closed chain.
2 Aeronautics. An aeroplane with four sets of wings, one above another. Now historical.

Origin

Late 19th century; earliest use found in James Joseph Sylvester (1814–1897), mathematician. From quadru- + plane.

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更新时间:2025/3/23 7:53:29