etchplanation

名词 n.

英文释义

名词 n.
  1. The process of subsurface weathering or etching which creates etchplains. uncountable
    — Deep weathering and etchplanation can occur in the humid sub-tropics (Tricart, 1972) and a humid sub-tropical Britain in Tertiary times is possible.

词源

From etch + planation.
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