ideal polyhedron (English, noun)
expansion: ideal polyhedron (plural ideal polyhedrons or ideal polyhedra)
Senses:
glosses: In hyperbolic geometry, a polyhedron whose vertices are all ideal; i.e. points at infinity, rather than real. Its surface is topologically equivalent to a punctured sphere.
Forms:
form: ideal polyhedrons
tags: plural
form: ideal polyhedra
tags: plural