# kalotrope

> English word · Noun

## Definitions
1. A device invented by Thomas Rose that produces the optical illusion of transforming images by means of two concentric wheels moving in opposite directions.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/kalotrope