- pertaining to or having the form of a tetrahedron.
- having four lateral planes in addition to the top and bottom.
Origin of tetrahedral
Examples from the Web for tetrahedral
Historical Examples of tetrahedral
The general form is the Tetrahedral pentagonal dodecahedron (fig. 41).
To the south, 27 E., is a tetrahedral peak, which our guide called Ngoma-dingding.Trans-Himalaya, Vol. 2 (of 2)
The tetrahedral form invented by Dr. Graham Bell is unique and interesting.Carpentry and Woodwork
Edwin W. Foster
The young spores (G, H) are nearly colorless and are tetrahedral (like a three-sided pyramid) in form.Elements of Structural and Systematic Botany
Douglas Houghton Campbell
Thorax nearly three-sided pyramidal or tetrahedral, with three rounded edges and sub-regular, circular pores.