Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A solid figure having 24 equal faces, every three of which correspond to one face of an octahedron.
Century Dictionary and Cyclopedia
- n. This name is usually limited to the isometric form having triangular faces, formerly called a trigonal trisoctahedron.
- n. In crystallography, a solid bounded by twenty-four equal faces, three corresponding to each face of an octahedron. The trigonal trisoctahedron has each face an isosceles triangle, and in the tetragonal trisoctahedron, or trapezohedron, each face is a quadrilateral. See also cut under
trapezohedron .
Wiktionary
- n. crystallography A solid of the isometric system bounded by 24 equal faces, three corresponding to each face of an octahedron.
GNU Webster's 1913
- n. (Crystallog.) A solid of the isometric system bounded by twenty-four equal faces, three corresponding to each face of an octahedron.
Etymologies
- Ancient Greek thrice + English octahedron. (Wiktionary)
- Greek tris, thrice; + octahedron. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“The garnet is usually in the form of a rhombic dodecahedron, or as a trisoctahedron (called also sometimes an icosatetrahedron), or a mixture of the two, though the stones appear in other cubic forms.”
Lists
These user-created lists contain the word ‘trisoctahedron’.
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Rognons of Random Palavery
Another of my random palavery lists for terms and phrases that don't fit into any of my other lists.
priorship, exigeant, refectory, reestablish, capper, reesed, quar, reprune, orificial, reaming-iron, terminist, terminism and 3097 more...
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