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.
Here's how China's Mars rover Zhurong finds possible shoreline of ancient Red Planet ocean The presence of lava introduces a significant challenge in deciphering the geological history of the Athabasca Valles system. Victoria Corless, Space.com, 24 Jan. 2025 Some eruptions began explosively, spewing ash across vast distances before transitioning to slow lava flows. Tom Howarth, Newsweek, 20 Jan. 2025 Nearby, the vast volcanic plains of Borealis Planitia showcase ancient lava flows and surface wrinkles. Jamie Carter, Forbes, 15 Jan. 2025 According to the statement, this represents yet another astronomical question the BepiColombo mission aims to study: the direction of the lava flow. Margherita Bassi, Smithsonian Magazine, 13 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

Dictionary Entries Near lava

Cite this Entry

“Lava.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lava. Accessed 30 Jan. 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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