molten

adjective

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

Examples of molten in a Sentence

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.
In high-temperature molten environments, active cathode particles can dissolve into the electrolyte and migrate away from their intended sites. Prabhat Ranjan Mishra, Interesting Engineering, 12 Jan. 2026 The spanakopita is crisp and nicely done; the saganaki impressive, with a perfectly crispy exterior and molten lava interior; and the tender chicken souvlaki butter lettuce salad with garlicky red wine vinaigrette, super fresh and tasty. Laura Ness, Mercury News, 11 Jan. 2026 Her molten black skirt trailed several inches behind her, covering her stilettos. Christina Perrier, InStyle, 11 Jan. 2026 The last eruption, in 1988, buried the surrounding coral beds in molten rock. Gisela Williams, Travel + Leisure, 8 Jan. 2026 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 28 Jan. 2026.

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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