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
Putin traditionally attends the final day of the event to deliver keystone speeches.
From The Wall Street Journal ● Jun. 3, 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
Morgan healthcare investor conference in San Francisco in mid-January, a keystone event at which companies often pre-announce guidance and earnings and roll out marquee acquisitions.
From Barron's ● Dec. 28, 2025
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
