2 /a
2 − y
2 /b
2 = ±1. | a fool or simpleton; ninny. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
hyperbola (hī-pûr'bə-lə) Pronunciation Key
(click for larger image in new window) Plural hyperbolas or hyperbolae (hī-pûr'bə-lē) A plane curve having two separate parts or branches, formed when two cones that point toward one another are intersected by a plane that is parallel to the axes of the cones. |
In geometry, a curve having a single bend, with lines going infinitely far from the bend.
Note: The path of a comet that enters the solar system and then leaves forever is a hyperbolic curve (half of a hyperbola).