unscrewing
Verb
  1. present participle of unscrew#English|unscrew
Noun

unscrewing (plural unscrewings)

  1. The act by which something is unscrewed.
    • 1854, George Dodd, The Curiosities of Industry and the Applied Sciences (page 35)
      But this was a sadly lingering process, since there must be as many screwings and unscrewings as there are copies to be printed.



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