crustal

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English[edit]

Etymology[edit]

From crust +‎ -al.

Pronunciation[edit]

Adjective[edit]

crustal (comparative more crustal, superlative most crustal)

  1. Of, pertaining to, or forming a crust, especially the crust of the Earth or other planet etc.
    • 2003, Bill Bryson, A Short History of Nearly Everything, BCA, p. 189:
      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.

Anagrams[edit]