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.
The spacecraft will soar over craters and plains and may be able to spot dust features and lava flows. Meghan Bartels, Scientific American, 14 May 2026 Then there’s the strategic introduction of accent colors, including the red stove, yellow chairs, and purple lava-stone countertop. Eleni N. Gage, Better Homes & Gardens, 13 May 2026 Kent’s created what look like tide pools with succulents and shells, surrounded by lava and boulders. Caron Golden, San Diego Union-Tribune, 9 May 2026 York has weaponized those 2 inches, in turn, into a kind of white-hot lava that his peers at Temple High and Texas A&M have never quite seen before. Luca Evans, Denver Post, 8 May 2026 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 18 May. 2026.

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

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