touchstone noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of touchstone noun from the Oxford Advanced American Dictionary

touchstone

noun

NAmE//ˈtʌtʃstoʊn//

[usually singular] touchstone (of/for something) (formal)

something that provides a standard against which other things are compared and/or judged the touchstone for quality

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