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- DictionaryTouch·stone/ˈtəCHˌstōn/
noun
- 1. a piece of fine-grained dark schist or jasper formerly used for testing alloys of gold by observing the color of the mark which they made on it.
1. : a fundamental or quintessential part or feature : basis. a touchstone film of that decade. now considered a touchstone of the city's life Michael Specter. 2. : a test or criterion for determining the quality or genuineness of a thing. Good service is one touchstone of a first-class restaurant. 3.
TOUCHSTONE definition: 1. an established standard or principle by which something is judged: 2. an established standard…. Learn more.
a criterion or standard by which judgment is made. a hard dark siliceous stone, such as basalt or jasper, that is used to test the quality of gold and silver from the colour of the streak they produce on it.
TOUCHSTONE meaning: 1. an established standard or principle by which something is judged: 2. an established standard…. Learn more.
1. a criterion or standard by which judgment is made. 2. (Minerals) a hard dark siliceous stone, such as basalt or jasper, that is used to test the quality of gold and silver from the colour of the streak they produce on it.
Use the noun touchstone to describe a basis for comparison. For example, a filmmaker's touchstone might be her all-time favorite movie; she wants her movie to be that good or similar to it in some way. Touchstone as it is defined today comes from an actual stone.
a test or criterion for the qualities of a thing. 2. a black siliceous stone formerly used to test the purity of gold and silver by the color of the streak produced on it by rubbing it with either metal. SYNONYMS 1. standard, measure, model, pattern.
