lava

noun

la·​va ˈlä-və How to pronounce lava (audio) ˈla- How to pronounce lava (audio)
: 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
lavalike adjective

Examples of lava in a Sentence

a flow of molten lava
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Videos and photos of the bright orange lava flowing down the mountainside went viral after a group of hikers posted them on social media. Billy Stockwell, CNN, 18 Feb. 2025 One of the world's most active volcanoes, Kilauea started spewing lava on Tuesday at 10:16 a.m. Jeanine Santucci, USA TODAY, 14 Feb. 2025 Reese's Peanut Butter Cups: Chocolate eruption - Sweet lava alert Reese's is teasing an eruption of chocolate lava in its Super Bowl spot. Kurt Knutsson, Cyberguy Report, Fox News, 3 Feb. 2025 Since Axial Seamount is shaped from thin layers of lava, an eruption will likely crack open at the surface. Paul Smaglik, Discover Magazine, 28 Jan. 2025 See All Example Sentences for lava

Word History

Etymology

Italian, ultimately from Latin labes fall; akin to Latin labi to slide — more at sleep

First Known Use

1759, in the meaning defined above

Time Traveler
The first known use of lava was in 1759

Cite this Entry

“Lava.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lava. Accessed 3 Mar. 2025.

Kids Definition

lava

noun
la·​va ˈläv-ə How to pronounce lava (audio) ˈlav- How to pronounce lava (audio)
: melted rock coming from a volcano
also : such rock that has cooled and hardened

More from Merriam-Webster on lava

Last Updated: - Updated example sentences
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