keystone
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.
"Beavers are a keystone species" said Emily Bowen of the Beaver Trust.
From BBC ● Sep. 9, 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
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
On immigration, the keystone of Trump’s policy platform, he faced a number of setbacks.
From Los Angeles Times ● Apr. 5, 2026
Finally the keystone was lowered into place to lock the ribs together at the crown, the highest point of the arch.
From "Cathedral: The Story of Its Construction" by David Macaulay
Vocabulary lists containing keystone
