: 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
The world, TOI-561b, is a small, scorching lava planet that orbits one of the oldest stars in the Milky Way so closely that its year lasts less than a single Earth day.
—
Sharmila Kuthunur, Space.com, 26 Dec. 2025
That made more sense because that’s where the lava of the body is.
—David Canfield, HollywoodReporter, 22 Dec. 2025
The volcano has been very active in December, with intense lava fountain episodes.
—Janet Loehrke, USA Today, 20 Dec. 2025
The Road to Hāna (or the Hāna Highway, as it's also known) takes you through moist rainforests with hidden waterfalls and arid hills that slope into the ocean, past black sand beaches and ancient lava flows.
—Npr Staff, NPR, 18 Dec. 2025
See All Example Sentences for lava
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Sharmila Kuthunur, Space.com, 26 Dec. 2025
That made more sense because that’s where the lava of the body is.
—David Canfield, HollywoodReporter, 22 Dec. 2025
The volcano has been very active in December, with intense lava fountain episodes.
—Janet Loehrke, USA Today, 20 Dec. 2025
The Road to Hāna (or the Hāna Highway, as it's also known) takes you through moist rainforests with hidden waterfalls and arid hills that slope into the ocean, past black sand beaches and ancient lava flows.
—Npr Staff, NPR, 18 Dec. 2025
See All Example Sentences for lava
Cite this Entry
“Lava.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lava. Accessed 4 Jan. 2026.
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