Pentahedron

[,pentә'hi:drәn]

解释:

(noun.) any polyhedron having five plane faces.

安琪编辑--From WordNet

解释:

(n.) A solid figure having five sides.

乔治录入

解释:

n. (geom.) a solid figure bounded by five plane faces.—adj. Pentahē′dral.

巴兹尔录入