"Tetrahedral" is a word in ENGLISH
Having, or composed of, four sides.
Having the form of the regular tetrahedron.
Pertaining or related to a tetrahedron, or to the
system of hemihedral forms to which the tetrahedron belongs.
If daughters couldn't soften a man, then nothing would.
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A little girl was playing in the garden when she spied two spiders mating. "Daddy, what are those two spiders doing?" she asked. "They're mating," her father replied. "What do you call the spider on top, Daddy?" she asked. "That's a daddy long legs," her father answered. "So, the other one is a mommy long legs?" the little girl asked. "No," her father replied. "Both of them are daddy long legs." The little girl thought for a moment, then took her foot and stomped them flat. "Well, we're not having any of THAT in our garden."
A solid related to a tetrahedron, and contained under twelve equal triangles.
Read the complete definitionA solid bounded by twelve quadrilateral faces. It is a hemihedral form of the isometric system, allied to the tetrahedron.
Read the complete definitionHaving half of the similar parts of a crystals, instead of all; consisting of half the planes which full symmetry …
Read the complete definitionA solid hemihedrally derived. The tetrahedron is a hemihedron.
Read the complete definitionA solid figure inclosed or bounded by four triangles.
Read the complete definition