/ˌprɪzˈmætaɪd/ (PRIZ-muh-tayd)

Definitions

1. adjective

Having a prism-like shape or a shape that tapers to a point, especially at the ends.

“The prismatoid shape of the building’s design created a striking visual effect.”

2. noun

A prism or a shape resembling a prism, especially in three dimensions.

“The artist used a prismatoid to create a colorful glass sculpture.”