Yahoo奇摩字典 網頁搜尋

  1. hyperbola

    • IPA[hīˈpərbələ]

    美式

    • 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 opposites of the same vertex.
    • noun: hyperbola, plural noun: hyperbolae