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Instead, these changes are announced millions of years before they’re actually achieved, by the activity of molten rock in Earth’s mantle.—Sam Walters, Discover Magazine, 25 June 2025 As parts of the colliding plates and seafloor are pushed into Earth’s mantle, blobs of molten rock rise upwards and come into contact with water and gases, resulting in highly-explosive mix on the surface.—David Bressan, Forbes.com, 20 June 2025 The movement in the Earth's molten outer core generates electric currents.—New Atlas, 10 May 2025 Designs like flow batteries that store energy by the megawatt-hour and molten salt batteries that stash power for months could outperform the reigning lithium-ion battery.—Umair Irfan, Vox, 21 Apr. 2025 See All Example Sentences for molten
Word History
Etymology
Middle English, from past participle of melten to melt
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