from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun geometry A
four-dimensional surfacerelated to the three-dimensional cone
from Wiktionary, Creative Commons Attribution/Share-Alike License
We're also going to need a large heat shielded landing craft equipped with an inflatable hypercone plus a take off vehicle capable of lifting astronauts into orbit from a planet with a much larger gravity well than the Moon.
Similarly, a hypercone with a cone for base may be regarded in two ways as a hypercone and has for boundary the two cones and a portion generated by a triangle with one side fixed, the opposite vertex tracing a plane curve which does not lie in a three-space with the fixed side.
Among the first to be noticed are the hyperprism and hypercylinder with parallel line elements, and the hyerpyramid and hypercone with line elements meeting at a vertex.