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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Located 3,000 miles below the Earth’s surface, the inner core is anchored by gravity within the molten liquid outer core. Doyle Rice, USA TODAY, 14 Feb. 2025 The latest release of molten rock began 10:16 a.m. with lava flowing on to the floor of Halemaumau Crater. CBS News, 12 Feb. 2025 Vidale suggests that interactions with the molten outer core and gravitational forces from the mantle contribute to the slowing of the inner core. Jenny Lehmann, Discover Magazine, 12 Feb. 2025 Earth's magnetic field is produced by the motion of molten iron in the planet's core. Tereza Pultarova, Space.com, 31 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 Feb. 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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