- skew orthant
- мат.косой ортант
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
Runcinated 5-cell — 5 cell … Wikipedia
Truncated 5-cell — 5 cell … Wikipedia
Cuboctahedron — (Click here for rotating model) Type Archimedean solid Uniform polyhedron Elements F = 14, E = 24, V = 12 (χ = 2) Faces by sides 8{3}+6{4} … Wikipedia