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rift valley
noun
geology : a long, steep valley formed when two parallel rifts form in the Earth's crust and the land between them sinks
Full Definition of RIFT VALLEY
: an elongated valley formed by the depression of a block of the earth's crust between two faults or groups of faults of approximately parallel orientation
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First Known Use of RIFT VALLEY
1894
Rift Valley
geographical name
Definition of RIFT VALLEY
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