八面体

八面體

bāmiàntǐ

noun

Measure Word

一个八面体 gè

Meanings

1 octahedron
2 eight-faced solid (geometry)

Characters

Examples

钻石的晶体结构是八面体。

Zuànshí de jīngtǐ jiégòu shì bāmiàntǐ.

The crystal structure of diamond is octahedral.

桌上摆着一个透明的八面体模型。

Zhuō shàng bǎi zhe yí ge tòumíng de bāmiàntǐ móxíng.

On the table sits a transparent octahedron model.

Tips

memory

Pure compound logic: 八 (eight) + 面 (face) + 体 (body/solid) = “eight-face-solid.” The same pattern produces 四面体 (tetrahedron), 十二面体 (dodecahedron), 二十面体 (icosahedron) — Chinese geometry vocabulary is gloriously transparent.

Stroke Order

八 bā

面 miàn

体 tǐ