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Earth's crust
DEFINITIONS OF:
Earth's crust
1
n
the outer layer of the Earth
Synonyms:
crust
Types:
horst
a ridge of the earth's crust that has been forced upward between two faults and so is higher than the surrounding land
crustal plate
,
plate
a rigid layer of the Earth's crust that is believed to drift slowly
Type of:
layer
a relatively thin sheetlike expanse or region lying over or under another
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