touchstone

[ tuhch-stohn ]

noun

1. a test or criterion for the qualities of a thing.

   Synonyms: pattern, model, measure, standard

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.

touchstone

/ ˈtʌtʃˌstəʊn /

noun

1. a criterion or standard by which judgment is made
2. 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

Word History and Origins

Origin of touchstone¹

First recorded in 1475–85; touch + stone

Example Sentences

These touchstones are summoned fleetingly in the streams of poetic consciousness that are Kennedy’s lovely hallmark.

From Washington Post

Across the ideological spectrum, inflamed citizens are seeking solace and inspiration, and have held up the beloved superhero as a touchstone for their own values — and their very different views of what America should be.

From Vox

The photographs become touchstones for a family’s own experience and their own feelings.

From Fortune

There could be many years of hopes and dreams for this baby’s existence, and to not have evidence—I use the term touchstones.

From Fortune

This year…it is palpable how much privacy and concerns about data are becoming one of the real touchstones that are differentiating various tech companies.

From Fortune

And then there are the five-times-a-week regulars for whom The Cottage is a culinary touchstone.

From The Daily Beast

Since 1977, Star Wars has been an essential touchstone for both Povenmire and Marsh.

From The Daily Beast

When we were taping the premiere, he was the touchstone in my head of, “Am I working hard enough?”

From The Daily Beast

On this, and on the variations of pain, you mentioned a passage in War and Peace that was a kind of touchstone.

From The Daily Beast

Hating what the Wall has become is a touchstone of identity.

From The Daily Beast

Of a certain knight,” returns Touchstone, “who swore by his honour they were good pancakes.

From Project Gutenberg

Both men had bitter hearts, for both knew well that the touchstone of this malice was Madame Chalice.

From Project Gutenberg

Nash was an ambiguous character but an excellent touchstone.

From Project Gutenberg

The shepherd in the play, when asked by Touchstone, "Hast any philosophy in thee?"

From Project Gutenberg

This is the true touchstone of all theories which regard man and the affairs of men: Does it suit his nature in general?

From Project Gutenberg

Related Words

• barometer
• criterion