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1. Dictionary

   touchstone

   /ˈtʌtʃstəʊn/

   noun

   • 1. a piece of fine-grained dark schist or jasper formerly used for testing alloys of gold by observing the colour of the mark which they made on it.
   • ▪ a standard or criterion by which something is judged or recognized: "they tend to regard grammar as the touchstone of all language performance"

   Scrabble Points: 15

   • T

     1

   • O

     1

   • U

     1

   • C

     3

   • H

     4

   • S

     1

   • T

     1

   • O

     1

   • N

     1

   • E

     1

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