cornerstone

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.

Exxon made algae the cornerstone of its clean-energy initiatives for years and pressed on even after a lack of progress led other big oil companies to abandon similar research.

From The Wall Street Journal • Mar. 31, 2026

"It is a cornerstone of Iran's economy and a major source of revenue for the Iranian Revolutionary Guards," JP Morgan added, referring to Iran's well-resourced ideological army.

From Barron's • Mar. 27, 2026

A cornerstone of its defence is that delivery rules need to change so second class mail can be taken out less frequently.

From BBC • Mar. 23, 2026

Throughout their undefeated Big Ten season, the Bruins’ freshmen have established themselves as a cornerstone of the team.

From Los Angeles Times • Mar. 21, 2026

There, upon a low black hill, stood the House, its cornerstone bearing the inscription 2005 A.D.

From "The Martian Chronicles" by Ray Bradbury