Definitions

1. noun

A prism in which the base is a polygon and the top is a triangle, typically formed by the intersection of a prism and a pyramid.

“The crystallographer studied the unique properties of a brachyprism in her research.”

2. adjective

Having a prism shape with a short or truncated form of a pyramid.

“The artist used a brachyprism in her sculpture to create a visually striking effect.”