deltahedron

名詞

(geometry) A polyhedron whose faces are all equilateral triangles.

日本語の意味

全ての面が正三角形で構成される多面体

The mathematician carefully studied the deltahedron to classify its symmetry groups.

数学者は対称群を分類するために、すべての面が正三角形でできた多面体を注意深く研究した。

意味（1）

(geometry) A polyhedron whose faces are all equilateral triangles.

There are infinitely many deltahedra, but only eight that are convex.

deltahedrons

（ plural ）

deltahedra

（ plural ）