crustal

Meanings

1. 1
   adj

   relating to or forming the outer crust of the Earth, Moon, or another planetary body

   The survey detected a deep fault in the crustal rock beneath the valley.

Common collocations

• crustal plate Adjective + noun

Formed from crust + -al. Crust entered English through Old French from Latin crusta ("rind, shell, hard surface"); the adjective is used especially in geology and planetary science.

Topics

External links

• Cambridge Dictionary
• Wiktionary
• Google Images