peneplain

or pe·ne·plane

[ pee-nuh-pleyn, pee-nuh-pleyn ]
/ ˈpi nəˌpleɪn, ˌpi nəˈpleɪn /

noun Geology.

an area reduced almost to a plain by erosion.

Origin of peneplain

First recorded in 1885–90; pene- + plain1

OTHER WORDS FROM peneplain

pe·ne·pla·na·tion [pee-nuh-pluh-ney-shuh n] /ˌpi nə pləˈneɪ ʃən/, noun

British Dictionary definitions for peneplanation

peneplain

peneplane

/ (ˈpiːnɪˌpleɪn, ˌpiːnɪˈpleɪn) /

noun

a relatively flat land surface produced by a long period of erosion

Derived forms of peneplain

peneplanation, noun

Word Origin for peneplain

C19: from pene- + plain 1