# time crystal

> English word · Noun

## Definitions
1. A periodic biological system.

## Etymology
Coined by American biologist Arthur Winfree in 2001. An analogue to crystals, which have repetitive patterns in space.

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