# tholeiite

> English word · Noun · IPA /ˈθoʊ.li.aɪt/

## Definitions
1. An igneous basaltic rock, formed from magma rich in magnesium and iron.

## Etymology
From German Tholeiit, from Tholei (“a village in western Germany”).

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