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正八面体 (せいはちめんたい) Japanese meaning | Kotomora

正せい八はち面めん体たい

せ

い

は

ち

め

ん

た

い

Meanings

1

regular octahedron

A polyhedron with eight congruent equilateral triangular faces; one of the five Platonic solids.

正せい八はち面めん体たいは、正せい四し面めん体たいと並ならんで基き本ほん的てき

な

正せい

多た

面めん

体たい

の

一ひと

つ

です

。

The regular octahedron is one of the basic regular polyhedra, along with the regular tetrahedron.

Kanji

正correct, justice, righteous
八eight, eight radical (no. 12)
面mask, face, features
体body, substance, object

Related words

正せい多た面めん体たい
正多面体 is the general term for regular polyhedra; 正八面体 is a specific type.
正せい四し面めん体たい
正四面体 is a regular tetrahedron (4 faces), while 正八面体 has 8 faces.

Built from

正せい+八はち面めん体たい

Etymology

Compound of 正 (regular) + 八面体 (octahedron). 八面体 itself is from 八 (eight) + 面 (face) + 体 (body).