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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The core, which is made up of molten iron, generates electrical currents. Laura Baisas, Popular Science, 16 Apr. 2025 Recent research, however, has proposed a promising answer: the molten Martian core likely generated a magnetic field that only covered the Red Planet’s southern hemisphere. Jack Knudson, Discover Magazine, 16 Apr. 2025 And in this painting, the marbled feel of the satellites lends a kind of molten ferocity—this was a race, after all. Grace Edquist, Vogue, 13 Feb. 2025 But, possibly because Mars is only about half the size of Earth, its molten core cooled and solidified. Dhruv Khullar, The New Yorker, 10 Feb. 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 23 Apr. 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

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