| hyperbolic geometry | เรขาคณิตเชิงไฮเพอร์โบลา [คณิตศาสตร์๑๙ ก.ค. ๒๕๔๗] |
| hyperbolic geometry | (n) (mathematics) a non-Euclidean geometry in which the parallel axiom is replaced by the assumption that through any point in a plane there are two or more lines that do not intersect a given line in the plane |