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.

Appears in

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

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