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Nestled in a warm, soft pretzel bun, this bold creation features a juicy beef patty surrounded by a bubbling pool of molten fondue cheese—rich, creamy, and irresistible.—Aly Walansky, Forbes.com, 22 July 2025 There, a mantle plume or upwelling — a pillar of unusually warm molten material — moves upwards, driving the division of these rifts and the opening of the ocean basin above.—Sam Walters, Discover Magazine, 25 June 2025 In contrast, the mantle, which lies between the planet’s outer crust and the molten core, is 1,800 miles (2,897 kilometers) of mostly solid rock.—Jacopo Prisco, CNN Money, 30 May 2025 Researchers haven’t been sure exactly what drives this rifting, but a new study in Nature Geoscience suggests it is caused by rhythmic pulses of molten rock from deep below the surface.—Nora Bradford, Scientific American, 7 July 2025 See All Example Sentences for molten
Word History
Etymology
Middle English, from past participle of melten to melt
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