Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A tetrahexahedron.

from the GNU version of the Collaborative International Dictionary of English

  • n. A tetrahexahedron; -- so called because it is a common form of fluorite.

from The Century Dictionary and Cyclopedia

  • n. In crystallography, a solid contained under twenty-four triangles; a tetrahexahedron (which see): so called because it is a frequent form in fluor-spar.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

fluor +‎ -oid. The shape is a common form of fluorite.

Examples

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