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St. Helens

American  
[hel-uhnz] / ˈhɛl ənz /

noun

  1. a city in Merseyside, in NW England, near Liverpool.

  2. Mount, an active volcano in SW Washington, part of the Cascade Range: seven major eruptions during 1980, the first since 1854–57. 8,364 feet (2,549 meters).


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.

Mount St. Helens in 1980 illustrates this process.

From Science Daily • Nov. 22, 2025

Some volcanoes, including Mount St. Helens in Washington state and Quizapu in Chile, have occasionally released slow, gentle lava flows even when their magma was rich in gas and considered highly explosive.

From Science Daily • Nov. 22, 2025

St. Helens — sliding down a snow-covered slope — and suffered a head injury when she struck a rock.

From Los Angeles Times • Jun. 20, 2025

“Mt. St. Helens, Mt. Rainier, Mt. Hood, Crater Lake — those kind of volcanoes have a lot more gas and are more explosive in general. The magma is more viscous,” Chadwick said.

From Los Angeles Times • May 20, 2025

There was no choice but to stay where they were, waiting for Mount St. Helens to make its next move.

From "Mountain of Fire" by Rebecca E. F. Barone