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.
Blasted from porous lava rock, the canals have to be completely full for gravity to push water across the district’s more than 42,000 acres. Emily Cureton Cook, ProPublica, 26 June 2026 The map introduces the armored Oni, which swings a spiked kanabō, plus Scorched Zombies and fiery Hellhounds tied to its lava-field hazards. Brian Mazique, Forbes.com, 25 June 2026 For dessert, the almond coulant oozed its caramel-coloured ‘lava’ at my spoon’s touch. Adrienne Wyper, TheWeek, 22 June 2026 Fill raised beds with a custom mix of topsoil, compost, and lava sand, and add trellises for support and airflow. Johanna Silver, Better Homes & Gardens, 20 June 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 28 Jun. 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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