Scrabble Dictionary
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| Scrabble US | (15 Points) | |
| Scrabble UK | (15 Points) | |
| Words With Friends | (17 Points) |
Touchstone
ˈtʌtʃstəʊn
Touchstone definitions
noun
touchstone
touchstones
- 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"