Crust (Noun)
Meaning 1
The outer layer of the Earth.
Classification
Nouns denoting natural objects (not man-made).
Examples
- The Earth's crust is broken into several large plates that float on the mantle beneath.
- Geologists study the Earth's crust to understand the history of the planet's formation.
- The Himalayan mountain range was formed as a result of the collision between the Indian and Eurasian crust plates.
- As the tectonic plates moved apart, new crust was formed as magma rose from the mantle to fill the gap.
- Scientists used seismic waves to study the Earth's crust and determine its thickness in various regions.
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Meaning 2
A hard outer layer that covers something.
Classification
Nouns denoting natural objects (not man-made).
Synonyms
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Meaning 3
The trait of being rude and impertinent; inclined to take liberties.
Classification
Nouns denoting attributes of people and objects.