shield volcano

noun

: a broad rounded volcano that is built up by successive outpourings of very fluid lava see volcano illustration

Examples of shield volcano in a Sentence

Recent Examples on the Web
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Drone plans developed by NASA suggest the space agency is particularly interested in Arsia Mons, a shield volcano in Mars' Tharsis region, which includes the largest volcanoes in the solar system, such as Olympus Mons — almost three times as high as Mount Everest. Tom Brown, Space.com, 25 May 2026 The peninsula is all that remains of a massive shield volcano formed around a million years ago when the Hawaiian Islands were still young. Cnn.com Wire Service, Mercury News, 8 May 2026 The park's center is a massive shield volcano, which covers a great portion of the island of Maui, and also includes abundant waterfalls and rain forests. Giovanna Caravetta, Travel + Leisure, 4 Feb. 2026 No casualties reported In the Afar region of northeastern Ethiopia lies the shield volcano, Hayli Gubbi. Mrigakshi Dixit, Interesting Engineering, 25 Nov. 2025 See All Example Sentences for shield volcano

Word History

First Known Use

1911, in the meaning defined above

Time Traveler
The first known use of shield volcano was in 1911

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Cite this Entry

“Shield volcano.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/shield%20volcano. Accessed 4 Jun. 2026.

Kids Definition

shield volcano

noun
: a broad rounded volcano that is built up from many layers of lava

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