parabola

名词 n.
中文释义

英文释义

名词 n.
  1. The conic section formed by the intersection of a cone with a plane parallel to a tangent plane to the cone; the locus of points equidistant from a fixed point (the focus) and line (the directrix).
    — And it saves his life. As he's buzzing down a curving, narrow canal, a narrow green parabola appears hanging across the water in front of him, suddenly rising out of the water and snapping into a perfectly straight line at neck level.
  2. Synonym of parable. rhetoric

词形变化

parabolas plural parabolae plural parabolæ plural

词汇关系

衍生词
paraboliform parabolism paraboloid semiparabola sporabola
相关词
parabolaster

词源

Borrowed from New Latin parabola, from Ancient Greek παραβολή (parabolḗ), from παραβάλλω (parabállō, “to set side by side”), from παρά (pará, “beside”) + βάλλω (bállō, “to throw”). Doublet of parable, parole, and palaver.
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