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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Recent Examples of rift valley from the Web
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This process is accompanied by surface manifestations along the rift valley in the form of volcanism and seismic activity.
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The East African Rift has several rift valleys that can be seen from space.
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The East African Rift is one of the world’s largest rift valleys, about 3,700 miles in length and 30 to 40 miles across.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rift valley.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of rift valley
1894
RIFT VALLEY Defined for English Language Learners
rift valley
Definition of rift valley for English Language Learners
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geology : a long, steep valley formed when two parallel rifts form in the Earth's crust and the land between them sinks
Learn More about rift valley
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Britannica.com: Encyclopedia article about rift valley
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