crustal.
Of, pertaining to, or forming a crust, especially the crust of the Earth or other planet.
Meaning & usage
Of, pertaining to, or forming a crust, especially the crust of the Earth or other planet.
Where this word comes from
Etymology tree Proto-Indo-European *krews- Proto-Indo-European *-tós Proto-Indo-European *krustós Proto-Italic *krustosder. Latin crusta Anglo-Norman crustebor. Middle English cruste English crust English -al English crustal From crust + -al.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.