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1. Oxford Dictionary

   hyperbola

   • IPA[hʌɪˈpəːbələ]

   英式

   • n.
     a symmetrical open curve formed by the intersection of a circular cone with a plane at a smaller angle with its axis than the side of the cone.；the pair of hyperbolas formed by the intersection of a plane with two equal cones on opposite sides of the same vertex.

   • noun: hyperbola, plural noun: hyperbolae

2. • 相關詞

   rectangular hyperbola

   • n.
     a hyperbola with rectangular asymptotes.

   Oxford American Dictionary

   rectangular hyperbola

   • n.
     a hyperbola with rectangular asymptotes.

   Oxford Dictionary

3. • 更多解釋

   hyperbola

   • IPA[hīˈpərbələ]

   美式

   • n.
     a symmetrical open curve formed by the intersection of a circular cone with a plane at a ...

   Oxford American Dictionary