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Next is the liquid outer core, made of molten iron and nickel, which is about 1,300 miles thick and has temperatures between 8,000 and 10,000 degrees.—Tommy Tuberville, Newsweek, 8 Jan. 2025 For example, the magma nearest the surface of the Yellowstone Caldera contains a lot of silica, which lends the molten rocks a sticky, viscous, and slow-moving quality.—Paul Smaglik, Discover Magazine, 3 Jan. 2025 Learning more about the magma under Yellowstone Yellowstone is one of the planet's largest volcanic systems, a place where a plume of the Earth's molten core rises up through the solid rock of crust, heating and melting it to form reservoirs of magma 2½ to 30 miles below the surface.—Elizabeth Weise, USA TODAY, 1 Jan. 2025 Waste products are mixed with silica and other materials and heated in underground tanks to form molten glass, which is then poured into containment vessels to become solid glass.—IEEE Spectrum, 1 Jan. 2025 See all Example Sentences for molten
Word History
Etymology
Middle English, from past participle of melten to melt
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