英语词汇“ellipse”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	ellipse
释义	ellipse /i lips"/, n. Geom. a plane curve such that the sums of the distances of each point in its periphery from two fixed points, the foci, are equal. It is a conic section formed by the intersection of a right circular cone by a plane that cuts the axis and the surface of the cone. Typical equation: (x²/a²) + (y²/b²) = 1. If a = b the ellipse is a circle. See diag. under conic section. [1745-55; < F < L ellipsis ELLIPSIS; or by back formation from the pl. ELLIPSES]
随便看	Palatinate palatine Palatine palatium Palatka palato- palato-alveolar palatogram palatography Palau Islands palaver Palawan palazzo pale pale- palea palearctic pale chrysanthemum aphid pale-dry paleencephalon paleethnology paleface Pale Horse Pale Horse, Pale Rider Palembang

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