Crustal

adj

adj ·2 syllables ·Rare ·Advanced level

Definitions

Adjective
  1. 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."

Adjective
  1. 1
    of or relating to or characteristic of the crust of the earth or moon wordnet

Example

More examples

"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."

Etymology

From crust + -al.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.