tetrahedral

/te-truh-hee-druhl/US // ˌtɛ trəˈhi drəl //

四面体,四角形,四维,四方体

Definitions

adj.形容词 adjective

1
- : pertaining to or having the form of a tetrahedron.
- : having four lateral planes in addition to the top and bottom.

To get a sense of why this fact about geodesics is true on four of the five Platonic solids, we’ll take a “tumbling” approach to these paths, and we’ll switch over to a tetrahedral world where tumbling paths are a little easier to study.
To the south, 27 E., is a tetrahedral peak, which our guide called Ngoma-dingding.
The spores of this species are spheroid-tetrahedral, the three radiating angles marked with slender vittæ, or bands.
It crystallizes in the cubic system; with regular octahedral and tetrahedral cleavages; spec.
The tetrahedral or Reye complex is the simplest and best known of proper quadratic complexes.
Polar spines very thick and short, tetrahedral, one-fourth as long and broad as the major axis.