noun
EXAMPLES FROM CORPUS
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At its core would be using inflation-adjusted interest rates on short-term credit as its touchstone in setting policy.
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I have believed that since my earliest days, and I have used it as a touchstone in all my leadership endeavors.
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I knew one little poem by her, when I was very small, and it became a kind of touchstone .
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It is a touchstone for legal definitions and rulings.
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Tested against the touchstone of Scripture, his speculations would reduce the Bible to the size of a slim paperback.
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The touchstone of the relationship is commercial.
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They tend to regard grammar as the touchstone of all language performance.
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We had to rethink the issues and create new touchstones....