Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun The
hyperbolic plane , viewed as a disk so thatEuclidean circles andlines Euclidean -perpendicular to the disk's surface are hyperbolic lines.
Etymologies
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After Henri Poincaré. This definition is lacking an etymology or has an incomplete etymology. You can help Wiktionary by giving it a proper etymology.
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