Definitions

1. noun

A prism that is bounded by two parallelograms, the areas of which are equal, and by two triangles, the areas of which are also equal.

“The hemiprism was used in the study of optics to demonstrate the properties of refraction.”

2. noun

A type of crystal or mineral formation with a hemiprismatic shape.

“The geologist studied the hemiprism of the quartz crystal under a microscope.”