# crustal

> English word · Adjective · IPA /ˈkɹʌstəl/ · frequency rank #54,719

## Definitions
1. Of, pertaining to, or forming a crust, especially the crust of the Earth or other planet.

## Etymology
From crust + -al.

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