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

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

Summer is the busiest season in Yellowstone, according to the NPS.

From BBC ● Jul. 13, 2026

According to the model, an eastward-moving "mantle wind" transports hot asthenospheric material toward Yellowstone.

From Science Daily ● Jun. 28, 2026

These effects are most often studied in large wilderness regions, particularly in well-known examples involving wolves in Yellowstone National Park.

From Science Daily ● Jun. 28, 2026

When he lived in Montana, Roy once hiked up Pine Creek Trail into the Absaroka Range, which overlooks Paradise Valley and the Yellowstone River.

From "Hoot" by Carl Hiaasen

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