Definition of pediplain in English:

pediplain

Syllabification: ped·i·plain
Pronunciation: /ˈpediˌplān
 
/

noun

Geology
  • An extensive plain formed in a desert by the coalescence of neighboring pediments.
    More example sentences
    • Individual pediments can coalesce to form extensive surfaces called pediplains, commonly several thousand square kilometres in extent.

Origin

1930s: from pediment + plain1.

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