rift valley

noun

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

First Known Use of rift valley

1894


RIFT VALLEY Defined for English Language Learners

rift valley

noun

Definition of rift valley for English Language Learners

  • geology : a long, steep valley formed when two parallel rifts form in the Earth's crust and the land between them sinks


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