# pleion

> English word · Noun

## Definitions
1. A region of positive departure from a norm.

## Etymology
Coined by Polish scientist Henryk Arctowski, from Ancient Greek πλείων (pleíōn).

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