touchstone

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English[edit]

Etymology[edit]

touch +‎ stone

Noun[edit]

touchstone ‎(plural touchstones)

  1. A stone used to check the quality of gold alloys by rubbing them to leave a visible trace.
  2. (figuratively, by extension) A standard of comparison or evaluation.
    • South
      The foregoing doctrine affords us also a touchstone for the trial of spirits.

Translations[edit]