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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Next is the liquid outer core, made of molten iron and nickel, which is about 1,300 miles thick and has temperatures between 8,000 and 10,000 degrees. Tommy Tuberville, Newsweek, 8 Jan. 2025 For example, the magma nearest the surface of the Yellowstone Caldera contains a lot of silica, which lends the molten rocks a sticky, viscous, and slow-moving quality. Paul Smaglik, Discover Magazine, 3 Jan. 2025 Learning more about the magma under Yellowstone Yellowstone is one of the planet's largest volcanic systems, a place where a plume of the Earth's molten core rises up through the solid rock of crust, heating and melting it to form reservoirs of magma 2½ to 30 miles below the surface. Elizabeth Weise, USA TODAY, 1 Jan. 2025 Waste products are mixed with silica and other materials and heated in underground tanks to form molten glass, which is then poured into containment vessels to become solid glass. IEEE Spectrum, 1 Jan. 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

Dictionary Entries Near molten

Cite this Entry

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