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