molten

adjective

mol·​ten ˈmōl-tᵊn How to pronounce molten (audio)
1
: fused or liquefied by heat : melted
molten lava
2
: having warmth or brilliance : glowing
the molten sunlight of warm skiesT. B. Costain
3
obsolete : made by melting and casting

Examples of molten in a Sentence

Recent Examples on the Web
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Hours after the fire was put out, the smell of molten metal was present throughout the ramp between the second and third floors of the garage. Arkansas Online, 15 Aug. 2025 The first molten metal recently glided from one new three-story furnace, oozed down chutes and spilled into 26-foot casting cylinders, deep in the floor of the expansion. Star Tribune, Chicago Tribune, 14 July 2025 The landscapes of icy moons across our Solar System are shaped not by molten lava flows, but by water that boils and freezes simultaneously due to extremely low pressure in space. Jack Knudson, Discover Magazine, 30 July 2025 After that came a crash, a fire and a death-defying crawl out of molten airplane wreckage. Kayla Grant, People.com, 30 July 2025 See All Example Sentences for molten

Word History

Etymology

Middle English, from past participle of melten to melt

First Known Use

14th century, in the meaning defined at sense 3

Time Traveler
The first known use of molten was in the 14th century

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Cite this Entry

“Molten.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/molten. Accessed 21 Aug. 2025.

Kids Definition

molten

adjective
mol·​ten ˈmōlt-ᵊn How to pronounce molten (audio)
: melted especially by very great heat

More from Merriam-Webster on molten

Last Updated: - Updated example sentences
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