peneplane

pe·ne·plain also pe·ne·plane  (pn-pln)

n.

A nearly flat land surface representing an advanced stage of erosion.

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[pene-, almost (from Latin paene) + plain.]

Thesaurus

Noun

1.

peneplane - a more or less level land surface representing an advanced stage of erosion undisturbed by crustal movements peneplain geology - a science that deals with the history of the earth as recorded in rocks champaign, plain, field - extensive tract of level open land; "they emerged from the woods onto a vast open plain"; "he longed for the fields of his youth"