# lithia

> English word · Noun · frequency rank #96,171

## Definitions
1. Lithium oxide, Li₂O, used in the manufacture of ceramics and glass.

## Etymology
Borrowed from Ancient Greek λίθος (líthos, “a stone”), apparently because it is found only in minerals; discovered 1817 by Johan August Arfwedson.

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