English

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Etymology

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up- +‎ arch

Verb

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uparch (third-person singular simple present uparches, present participle uparching, simple past and past participle uparched)

  1. (geology, transitive) To cause to arch upward.
    • 1952, University of California Publications in Geological Sciences, page 38:
      The rise of this dome uparched the surrounding beds, locally reversing their earlier dips.