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Definitions

cornerstone

[kawr-ner-stohn] / ˈkɔr nərˌstoʊn /


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 OpenAI deal is the cornerstone of Oracle’s pivot under executive chairman Larry Ellison from software to AI infrastructure services.

From Barron's • Jun. 9, 2026

When China's economy opened up in the 1980s, coal production surged, becoming the cornerstone of its industrial ambition.

From BBC • May 31, 2026

The park serves as the cornerstone of Parton’s business empire, which includes everything from a clothing line and a wine label to baking mixes and homeware.

From The Wall Street Journal • May 30, 2026

“Safety is a cornerstone of our business and we have zero tolerance for inappropriate and unsafe behavior.”

From Los Angeles Times • May 29, 2026

“Emotion is the cornerstone of humanity, my child. It’s not something that can be avoided. Even my power is drawn from raw emotion. You’ve seen that, haven’t you?”

From "Kwame Crashes the Underworld" by Craig Kofi Farmer




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