# hyperbola hyperbola /haɪ ˈpɜr bə lə/

**Definition(s):**

- (n) an open curve formed by a plane that cuts the base of a right circular cone

**Usage(s):**

- The curve miscalled "parabola" by PTI was neither parabola nor
*hyperbola*, but an "exponential decay curve" which does approach, never reaches, its asymptote. - If you plot the curve of these changing discount rates over time, you get something that looks like a
*hyperbola*, hence that extremely catchy phrase "hyperbolic discounting.

**Wiki Images for hyperbola**

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