# peridotite

> English word · Noun · IPA /ˈpɛɹ.ɪ.dəˌtaɪt/

## Definitions
1. A rock consisting of small crystals of olivine, pyroxene and hornblende; the major constituent of the Earth's mantle.

## Etymology
From peridot + -ite.

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