Rift Valley Definition
noun
A stretch of lowland lying along a portion of a rift.
Webster's New World
(geology) A graben structure between two tectonic plates which are opening relative to each other.
Wiktionary
(geology) A mid-oceanic ridge system with central valleys.
Wiktionary
Other Word Forms of Rift Valley
Noun
Singular:
rift valley
Plural:
rift valleysRift Valley Is Also Mentioned In
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