Yellowstone

American

[yel-oh-stohn] / ˈjɛl oʊˌstoʊn /

noun

a river flowing from NW Wyoming through Yellowstone Lake and NE through Montana into the Missouri River in W North Dakota. 671 miles (1,080 km) long.

Yellowstone British

/ ˈjɛləʊˌstəʊn /

noun

a river rising in N Wyoming and flowing north through Yellowstone National Park, then east to the Missouri. Length: 1080 km (671 miles)

"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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Yellowstone

In addition to their Grand Canyon visit, the Duffys swing by Yellowstone National Park, rounding out their looks at two of the most photographed destinations in existence.

From Salon ● Aug. 23, 2026

Scientists have also identified large, shallow magma reservoirs beneath other major caldera systems, including Yellowstone and Toba.

From Science Daily ● Jul. 29, 2026

One factor fuelling outsider interest in Bozeman, according to many, was the "Yellowstone Effect" – transplants drawn to the state by the fictitious runaway hit drama Yellowstone, starring Kevin Costner.

From BBC ● Jul. 18, 2026

The incident occurred on Friday evening at Bridge Bay Campground near Yellowstone Lake in the final hour before sunset.

From BBC ● Jul. 13, 2026

At some time in the past Yellowstone must have blown up with a violence far beyond the scale of anything known to humans.

From "A Short History of Nearly Everything" by Bill Bryson

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