baselevel

noun

Definition of baselevel

 (Entry 1 of 2)

: the level below which a land surface cannot be reduced by running water

baselevel

transitive verb
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Definition of baselevel (Entry 2 of 2)

: to reduce to or toward the condition of a plain at baselevel

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History and Etymology for baselevel

Noun

base entry 1 + level

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