touchstone
Americannoun
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a criterion or standard by which judgment is made
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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
Other Word Forms
Noun Inflected Forms
Etymology
Origin of touchstone
Explanation
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. In the late 15th century, gold and silver was rubbed, or touched against black quartz — the touchstone — to determine the purity of the metals. This was done by looking at the color of the streaks left on the stone. This is why a touchstone, in the figurative sense as it is used today, is a measuring tool.
Vocabulary lists containing touchstone
50th Anniversary of the March on Washington: "Trying to Inspire a New Generation" by Trip Gabriel
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Thomas Jefferson's First Inaugural Address (1801)
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This Week in Words: June 4 - 8, 2018
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The film, which also featured Brad Pitt in his first major film role, was a critical and popular success while also becoming a feminist touchstone.
From Los Angeles Times • May 13, 2026
A breezy mix of history, profiles and memoir, the book seeks to answer a straightforward question: How did marathons evolve from a niche competition for maniacs to a cultural touchstone for the masses?
From The Wall Street Journal • Apr. 24, 2026
Since its release in April of last year, the film has been a cultural touchstone and point of extended conversation on its way to some $370 million in worldwide box office.
From Los Angeles Times • Mar. 15, 2026
By the 1970s, Bloomingdale’s had become a cultural touchstone.
From The Wall Street Journal • Feb. 27, 2026
The plane crash became a touchstone in Elizebeth’s life, a marker she came back to again and again.
From "The Woman All Spies Fear" by Amy Butler Greenfield
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
