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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.
Craft your own ornament, blown by professionals out of hot molten glass. Caroline Ritzie, Cincinnati Enquirer, 7 Dec. 2025 Key challenges included managing the flow of molten aluminum during filling and ensuring proper solidification across sections with significantly different thicknesses. Bojan Stojkovski, Interesting Engineering, 6 Dec. 2025 Millions of years ago, a large bubble of molten rock pushed up beneath the surface, gently doming the overlying sedimentary layers. Kenna Hughes-Castleberry, Space.com, 5 Dec. 2025 The expanse of a cookie, its crumbly craters and molten rivulets, is a playground for the pastry chef. Anna Cafolla, Vogue, 4 Dec. 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

Browse Nearby Words

Cite this Entry

“Molten.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/molten. Accessed 8 Dec. 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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