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keystone

[kee-stohn] / ˈkiˌstoʊn /


Example Sentences

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Putin traditionally attends the final day of the event to deliver keystone speeches.

From The Wall Street Journal Jun. 3, 2026

Meanwhile, the president is "the keystone of the institution", leading the armed forces and having the power to dissolve the Assembly, Diallo said.

From Barron's Jun. 2, 2026

"We are committed to working with local people to minimise the risk of effects from beavers on other land uses, while enabling beavers to resume their place as a keystone species in our ecosystem."

From BBC Apr. 21, 2026

She pointed to the 1967 Outer Space Treaty, a keystone document on international space law that President Lyndon Johnson signed onto.

From Salon Apr. 9, 2026

Taking the trowel the king begins to mortar the long joints of the keystone.

From "The Left Hand of Darkness" by Ursula K. Le Guin




Vocabulary lists containing keystone


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