# magnesia

> English word · Noun · IPA /ˌmæɡˈniʒə/ · frequency rank #66,814

## Definitions
1. magnesium oxide

## Etymology
From Middle English magnesia, from Late Latin magnesia, from Ancient Greek μαγνησία (magnēsía), after Μαγνησία (Magnēsía), a name of several cities (in Thessaly, Lydia, and Asia Minor). Doublet of Magnesia, magnesium, and manganese, and related to magnet.

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