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四面体 (shimentai) Japanese meaning: tetrahedron | Kotomora

四し面めん体たい

し

め

ん

た

い

Meanings

1

tetrahedron

Geometric term for a solid with four triangular faces.

正せい四し面めん体たいは、すべての面めんが正せい三さん角かく形けいである。

Kanji

四four
面mask, face, features
体body, substance, object

Related words

三さん角かく錐すい
三角錐 is a more general term for a triangular pyramid, while 四面体 specifically refers to a tetrahedron with four triangular faces.

Word family

A regular tetrahedron has all faces as equilateral triangles.

正せい四し面めん体たい

regular tetrahedron

Built from

四し面めん+体たい

Etymology

Compound of 四 (four), 面 (face), and 体 (body), literally 'four-face body'.