St. Helens
Americannoun
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a city in Merseyside, in NW England, near Liverpool.
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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.
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
Mount St. Helens in 1980 illustrates this process.
From Science Daily ● Nov. 22, 2025
St. Helens keep going up — and the actions of some of those before they call for help have drawn criticism as reckless.
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
“Back in 1980,” explained Janine Krippner, a volcanologist who has done research on the pyroclastic flows on Mount St. Helens, “you had these seismographs printed on paper.”
From "Mountain of Fire" by Rebecca E. F. Barone
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
