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 molten mass then pours downwards to reveal the title of the single, hardening into a glinting ornate script made of diamonds and lined in gold. Glenn Rowley, Billboard, 5 June 2025 In a nutshell, FDM printers produce objects via a nozzle that moves back and forth over a print bed, depositing a filament of molten thermoplastic in successive layers. Ben Coxworth, New Atlas, 4 June 2025 The presence of the ruthenium isotope in the basalt samples indicates that at least some of the rock was formed from material coming from the molten metallic core. Jacopo Prisco, CNN Money, 30 May 2025 Egan says the Cube is being developed around nuclear fission technology, with molten salt reactors as the current pathway. Jennifer Kite-Powell, Forbes.com, 27 May 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 11 Jun. 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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