Trihedral

[trai'hi:drәl]

解釋/意思:

(a.) Having three sides or faces; thus, a trihedral angle is a solid angle bounded by three plane angles.

汉娜錄入

解釋/意思:

adj. having three equal sides.—n. Trihē′dron a figure having three equal bases or sides.

格雷格整理