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Petrified Forest

British

noun

a national park in E Arizona, containing petrified coniferous trees about 170 000 000 years old

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

"Since starting fieldwork at Petrified Forest in 2014, we have collected over 3,000 fossils from the Sonselasuchus bonebed, and it doesn't seem to show any signs of petering out," Professor Sidor states.

From Science Daily • Apr. 23, 2026

The site of this discovery is a fossil bed in a desert landscape of ancient rock in the Petrified Forest National Park.

From BBC • Jul. 7, 2025

Our three-hour drive through New Mexico was simultaneously brief and exhausting, so by the time we got to Petrified Forest National Park we were feeling a bit restless.

From Los Angeles Times • Sep. 28, 2023

The fossil was not the first Triassic period discovery Mr. Kligman had made at Petrified Forest National Park.

From Washington Times • Jan. 26, 2023

My ideas of the Petrified Forest were very vague, but I had expected to see standing trees turned to stone.

From I Married a Ranger by Smith, Dama Margaret

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023