: 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
Millions of years ago, the Yakima River carved its way through basalt lava flows to form the Yakima River Canyon.
—
Terry Ward, Travel + Leisure, 17 June 2026
Consider Lava Rock Mulch Similar to spiky plants, lava rocks are sharp and unwelcoming to snakes.
—Mary Marlowe Leverette, Southern Living, 16 June 2026
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.
—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
See All Example Sentences for lava
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Terry Ward, Travel + Leisure, 17 June 2026
Consider Lava Rock Mulch Similar to spiky plants, lava rocks are sharp and unwelcoming to snakes.
—Mary Marlowe Leverette, Southern Living, 16 June 2026
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.
—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
See All Example Sentences for lava
Cite this Entry
“Lava.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lava. Accessed 20 Jun. 2026.
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