Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Of or relating to a tetrahedron.
  • adjective Having four faces.

from The Century Dictionary.

  • Pertaining to a tetrahedron.
  • In crystallography: Having the form of the regular tetrahedron.
  • Pertaining or relating to a tetrahedron, or to the system of forms to which the tetrahedron belongs: as, tetrahedral hemihedrism (see hemihedrism).

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Having, or composed of, four sides.
  • adjective Having the form of the regular tetrahedron.
  • adjective Pertaining or related to a tetrahedron, or to the system of hemihedral forms to which the tetrahedron belongs.
  • adjective (Geom.) a solid angle bounded or inclosed by four plane angles.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective in the shape of a tetrahedron
  • adjective having four faces, four apices and six edges

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

tetra- + -hedral

Examples

Comments

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  • You can call me two-faced, but I'm tetrahedral.

    October 8, 2007

  • Heehee.

    October 8, 2007