Word Study
trisoctahedron
CIDE DICTIONARY
trisoctahedron, n. [Gr. thrice + FE. octahedron.].
A solid of the isometric system bounded by twenty-four equal faces, three corresponding to each face of an octahedron. [1913 Webster]
Tetragonal trisoctahedron, a trisoctahedron each face of which is a quadrilateral; called also trapezohedron and icositetrahedron . -- Trigonal trisoctahedron, a trisoctahedron each face of which is an isosceles triangle.
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