crustal

C3R1U1S1T1A1L1
UK/ˈkɹʌstəl/

adjective

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

Less commonScrabble 9

Meanings

adjectivecrustal (comparative more crustal, superlative most crustal)

comparative more crustal · superlative most crustal

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

    The hope was to lower a drill through over 4,000 metres of Pacific Ocean water off the coast of Mexico and drill some 5,000 metres through relatively thin crustal rock.

    2003, Bill Bryson, A Short History of Nearly Everything, BCA, page 189

Origin

  1. Proto-Indo-European*krews-
  2. Proto-Indo-European*krustós
  3. Proto-Italic*krustos
  4. Latincrusta
  5. Anglo-Normancruste
  6. Middle Englishcruste
  7. Englishcrust
  8. Proto-Indo-European*h₂el-
  9. Proto-Indo-European*h₂élisder.?
  10. Englishcrustal

From crust + -al.

Full word history & related roots →

Translations

French crustal
  • crustalTranslations
Italian crostale
  • crostaleTranslations

Rhymes & wordplay

Anagrams

Cite this entry
APA

crustal. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/crustal

MLA

“crustal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/crustal. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “crustal,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/crustal.

Source: crustal on Wiktionary, CC BY-SA 4.0.