Definition

A shape that looks like a heart, created by a point on a circle that rolls around another circle of the same size.

Example

The cardioid is often used in mathematics and engineering to describe certain types of curves.

Conversation

Have you ever heard of a cardioid?

Yeah, I think it’s that heart-shaped curve, right?

Exactly! It’s interesting how it’s formed by rolling circles.

I love how math can create such beautiful shapes like the cardioid!

Synonyms & Antonyms

Root Explanation

Cardioid is formed from "kardia" (meaning heart) and "eidos" (meaning shape or form). The word describes a shape that resembles a heart.

Memory Tip

Think of the word 'kardia' for heart, and remember that a cardioid is a shape that looks like a heart.

Visually Confused Words