The meaning of CRUST is the hardened exterior or surface part of bread. How to use crust in a sentence.

Crustal definition: of or relating to a crust, as of the earth.. See examples of CRUSTAL used in a sentence.

Earth's crustal evolution involves the formation, destruction and renewal of the rocky outer shell at that planet 's surface. The variation in composition within the Earth's crust is much greater …

CRUSTAL definition: 1. relating to the hard outer surface of the earth: 2. relating to the hard outer surface of the…. Learn more.

crustal in American English (ˈkrʌstl) adjective of or pertaining to a crust, as of the earth

Crustal definition: Of or relating to a crust, especially that of the earth or the moon.

crustal (comparative more crustal, superlative most crustal) Of, pertaining to, or forming a crust, especially the crust of the Earth or other planet. quotations

crustal (ˈkrʌstəl) adj (Physical Geography) of or relating to the earth's crust

crustal, adj. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Crustal refers to anything pertaining to or characteristic of the outer layer of the Earth, known as the crust. This layer is made up of rocks and minerals and varies in thickness.