
• (n.) A solid of the isometric system bounded by twenty-four equal faces, three corresponding to each face of an octahedron.
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http://thinkexist.com/dictionary/meaning/trisoctahedron/

<chemistry> A solid of the isometric system bounded by twenty-four equal faces, three corresponding to each face of an octahedron. 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 trian...
Found on
http://www.encyclo.co.uk/local/20973

24 sided polyhedron; all sides are equidimensional. Minerals shaped as trisoctahedrons belong to the isometric system and are referred to as trisoctahedral.
Found on
http://www.encyclo.co.uk/local/22291
No exact match found.