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Meaning of ideal polyhedron | Babel Free

Noun CEFR B2

Definitions

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.

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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