# platygaeanism

> English word · Noun

## Definitions
1. The belief that the Earth's shape is a plane or disk.

## Etymology
From platy- + Gaea + -an + -ism.

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