单词 | peneplain |
释义 | Word Frequency peneplain or peneplane (ˈpiːnɪˌpleɪn, ˌpiːnɪˈpleɪn) noun a relatively flat land surface produced by a long period of erosion Derived forms peneplanation (ˌpeneplaˈnation) noun Word origin C19: from pene- + plain1 |
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