crust
Plural
crusts
1
the outermost layer of the Earth, consisting of solid rock and divided into the continental crust and the oceanic crust
- The study of the Earth's crust, known as geology, provides insights into the planet's history, evolution, and the processes shaping its surface.
- The Earth's crust is rich in minerals and resources, influencing human activities such as mining and construction.
- The lithosphere, encompassing the crust and uppermost part of the mantle, is broken into rigid plates that float on the semi-fluid asthenosphere.
- The crust is the outermost layer of the Earth's structure and is subject to dynamic geological processes over long periods.
- The Earth's crust is divided into tectonic plates that move and interact, leading to phenomena like earthquakes and volcanic activity.
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2
the trait of being rude and impertinent; inclined to take liberties
3
a hard outer layer that covers something
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