: 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
Dark volcanic ash covers much of the crater floor, while surrounding wrinkle ridges mark ancient lava flows.
—
Samantha Mathewson, Space.com, 6 June 2025
The active stratovolcano is known for its frequent and persistent eruptions, and volcanic activity in the region can range from explosive eruptions to lava flows and ash emissions, USGS says.
—Nicole Fallert, USA Today, 4 June 2025
People are sent running lava flows pour toward them.
—Margherita Bassi, Smithsonian Magazine, 4 June 2025
Whether smoking fumaroles, loud bangs, tremors, lava flows, or full on eruptions, Etna is always awake.
—Erica Firpo, AFAR Media, 4 June 2025
See All Example Sentences for lava
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Samantha Mathewson, Space.com, 6 June 2025
The active stratovolcano is known for its frequent and persistent eruptions, and volcanic activity in the region can range from explosive eruptions to lava flows and ash emissions, USGS says.
—Nicole Fallert, USA Today, 4 June 2025
People are sent running lava flows pour toward them.
—Margherita Bassi, Smithsonian Magazine, 4 June 2025
Whether smoking fumaroles, loud bangs, tremors, lava flows, or full on eruptions, Etna is always awake.
—Erica Firpo, AFAR Media, 4 June 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 11 Jun. 2025.
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