polyhedron

1. 1.

   A solid figure with many flat faces and straight edges.

2. 2.

   a solid figure bounded by plane polygons or faces

   多面体(由平面多边形围成的立体图形)

3. 3.

   A polyscope, or multiplying glass.

4. 4.

   A stage in the growth of Hydrodictyon, when the resting spore breaks up into several megazoospores that put out horn-like appendages; these polyhedra break up into zoospores.

多面体

Connections

Learner notes