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A whetstone being used to sharpen a knife.


From whet ‎(to sharpen) + stone


whetstone ‎(plural whetstones)

  1. A hard stone or piece of synthetically bonded hard minerals that has been formed with at least one flat surface, used to sharpen or hone an edged tool.
    • 1922, Virginia Woolf, Jacob's Room, Vintage Classics, paperback edition, page 88-89
      It was as if a stone were ground to dust; as if white sparks flew from a livid whetstone, which was his spine; as if the switchback railway, having swooped to the depths, fell, fell, fell.
  2. (computing) A benchmark for evaluating the power of a computer.

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