deltahedron

Noun

Meaning

deltahedron (plural deltahedrons or deltahedra)

(geometry) A polyhedron whose faces are all equilateral triangles.
There are infinitely many deltahedra, but only eight that are convex.

Source: en.wiktionary.org

Related terms

deltahedral

Close letter words and terms

deltaflexivirus deltaform deltahedral deltaic deltal deltaline