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Petrified Forest

British  

noun

  1. 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

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Professor Sidor was part of the excavation team that uncovered 950 fossils of Sonselasuchus in 2014 at Petrified Forest National Park in Arizona.

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

Driving and living in a recreational vehicle, they visited White Sands and Petrified Forest National Parks in New Mexico and Arizona before heading to California, Oregon and Washington.

From Seattle Times • Aug. 21, 2023

A most interesting place to visit, but outside the itinerary of most tourists, is the Fossil, or Petrified, Forest.

From Wealth of the World's Waste Places and Oceania by Gilson, Jewett Castello