Definition

A three-dimensional shape made up of two pyramids that are joined at their bases, forming a symmetrical figure.

Example

The scientist studied the properties of a bipyramid in her geometry class.

Conversation

Have you ever seen a bipyramid in a museum?

No, I haven't! What does it look like?

It's basically two pyramids stuck together at the base.

That sounds cool! I would love to check one out.

Synonyms & Antonyms

Root Explanation

Bipyramid → It is formed from "bi-" (meaning two) and "pyramid" (from Greek "pyramis", meaning a solid figure with a polygonal base and triangular sides). The word "bipyramid" refers to a three-dimensional shape that consists of two pyramids joined at their bases, thus having two pyramid structures.

Memory Tip

Think of 'bi-' meaning two and 'pyramid' as a shape with a base and triangular sides. This helps you remember that a bipyramid is a shape made of two pyramids.

Visually Confused Words