: molten rock that issues from a volcano or from a fissure in the surface of a planet (such as earth) or moon
also
: such rock that has cooled and hardened
Examples of lava in a Sentence
a flow of molten lava
Recent Examples on the Web
Its dark terrain is constantly changing due to lava flows from Kilauea or Mauna Loa – two of the most active volcanoes in the world, according to the National Park Service website.
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Alia Beard Rau, USA Today, 10 June 2026
This collision was powerful enough to reduce the moon’s surface to molten rock similar to a lava flow.
—Andrew Paul, Popular Science, 10 June 2026
Mount Rainier Rainier’s greatest threat is not lava but lahars.
—Kaif Shaikh, Interesting Engineering, 9 June 2026
The trail crosses colorful mountains, lava fields, hot springs and glacial rivers — terrain that looks more like another planet than a European hiking path.
—Hanna Wickes, Miami Herald, 4 June 2026
See All Example Sentences for lava
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Alia Beard Rau, USA Today, 10 June 2026
This collision was powerful enough to reduce the moon’s surface to molten rock similar to a lava flow.
—Andrew Paul, Popular Science, 10 June 2026
Mount Rainier Rainier’s greatest threat is not lava but lahars.
—Kaif Shaikh, Interesting Engineering, 9 June 2026
The trail crosses colorful mountains, lava fields, hot springs and glacial rivers — terrain that looks more like another planet than a European hiking path.
—Hanna Wickes, Miami Herald, 4 June 2026
See All Example Sentences for lava
Cite this Entry
“Lava.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lava. Accessed 13 Jun. 2026.
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