: 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
For starters, the explosive, caldera-forming eruptions that created Yellowstone have a different chemistry from the massive floods of lava that created the Snake River Plain.
—
ArsTechnica, 10 Apr. 2026
The Artemis science team trained the crew to look for specific features on the moon, including ancient lava flows and impact craters.
—Jacopo Prisco, CNN Money, 7 Apr. 2026
To prepare for the journey, the astronauts also underwent extensive geology training, equipping them to accurately photograph and describe lunar features such as ancient lava flows and impact craters during their time around the Moon.
—Bojan Stojkovski, Interesting Engineering, 6 Apr. 2026
Alongside its serious objectives, like testing the Orion capsule in deep space and imaging lava flows on the lunar surface, NASA's Artemis 2 lunar mission has its whimsy, too.
—Monisha Ravisetti, Space.com, 6 Apr. 2026
See All Example Sentences for lava
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ArsTechnica, 10 Apr. 2026
The Artemis science team trained the crew to look for specific features on the moon, including ancient lava flows and impact craters.
—Jacopo Prisco, CNN Money, 7 Apr. 2026
To prepare for the journey, the astronauts also underwent extensive geology training, equipping them to accurately photograph and describe lunar features such as ancient lava flows and impact craters during their time around the Moon.
—Bojan Stojkovski, Interesting Engineering, 6 Apr. 2026
Alongside its serious objectives, like testing the Orion capsule in deep space and imaging lava flows on the lunar surface, NASA's Artemis 2 lunar mission has its whimsy, too.
—Monisha Ravisetti, Space.com, 6 Apr. 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 15 Apr. 2026.
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