stra·​to·​vol·​ca·​no | \ ˌstra-tō-väl-ˈkā-(ˌ)nō How to pronounce stratovolcano (audio) , ˌstrā-, -vȯl-\

Definition of stratovolcano

: a volcano composed of explosively erupted cinders and ash with occasional lava flows — see volcano illustration

Examples of stratovolcano in a Sentence

Recent Examples on the Web

The photos released this week by NASA show volcanic plumes that rarely rise from the stratovolcano, which is almost half-a-mile wide and 650 feet deep. Ryan W. Miller, USA TODAY, "Volcano was dormant for almost 100 years. It just erupted in 'spectacular' fashion," 27 June 2019 Already, wildflowers have begun to sprout in around Mount Rainier, a large active stratovolcano for which the park is named. Elizabeth Gulino, House Beautiful, "Mount Rainier National Park Is About to Get An Insane Wildflower Bloom So Plan Your Trip ASAP," 26 June 2019 Whereas Kilauea, a shield volcano, is characterized by large globs of slow-moving lava inching out of fissures, Fuego, a stratovolcano, is prone to spewing fast-moving flows of ash, lava, and mud. Sarah Gibbens, National Geographic, "Why Guatemala's Volcano Is Deadlier Than Hawaii's," 4 June 2018 The two volcanoes are also different shapes: Kilauea is a gently sloping shield volcano, unlike Mount St. Helens, which is a steep-sided stratovolcano, also known as a composite volcano. Doyle Rice, USA TODAY, "Could Hawaii volcano explosion rival Mount St. Helens? Probably not.," 17 May 2018 The number of people climbing Mount Nyiragongo, an active stratovolcano at Virunga National Park in Congo, increased 92 percent between 2015 and 2017. Giannella M. Garrett,, "When planning a hike on an active volcano, safety before spectacle," 11 May 2018 At 13, Adam climbed Mount Adams, a 12,276-foot stratovolcano, with his father and brother. Christopher Solomon, Outside Online, "The Boy Who Lived on Edges," 22 Mar. 2018 Though dozens of small earthquakes shook the ground near Mount St. Helens early Wednesday morning, they were not caused by shifting magma within the active stratovolcano, according to experts. Christine Clarridge, The Seattle Times, "Dozens of small earthquakes reported near Mount St. Helens are not related to magma, experts say," 3 Jan. 2018 Mount Agung, a giant stratovolcano that dominates northern Bali’s landscape, is likely to blow, according to Indonesia’s national volcano monitor. Jon Emont, WSJ, "Inflating With Magma: The Signs That Bali’s Volcano Is About to Blow," 29 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'stratovolcano.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of stratovolcano

1894, in the meaning defined above

History and Etymology for stratovolcano

New Latin stratum + English -o- + volcano

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Last Updated

15 Jul 2019

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The first known use of stratovolcano was in 1894

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