Definition of molten in US English:



  • (especially of materials with a high melting point, such as metal and glass) liquefied by heat.

    • ‘The bottles are ‘blown’ by high pressure air forcing a billet of molten plastic into a mould.’
    • ‘One of the most important applications of silicon is its use as a deoxidizer in molten steel.’
    • ‘It casts molten silicon in moulds, just as metal components are cast.’
    • ‘Watch skilled craftspeople create intricate designs from the intense heat of molten glass.’
    • ‘Less air is required to burn less fuel, so there is less turbulence on the surface of the molten glass.’
    • ‘The mills were turning again and the foundries coughed smoke, steam, and gouts of molten metal.’
    • ‘The glassblower often can't see how the molten glass at the end of the tube is shaping.’
    • ‘Solidification of the molten material into rocks happened as the Earth cooled.’
    • ‘There was no other way to generate enough pressure to pump air through 5 tons of molten metal.’
    • ‘Geologists want to know how molten rock forces its way from the core to the surface, where it explodes as lava.’
    • ‘On Earth, scientists think the magnetic field is generated by our planet's spinning molten iron core.’
    • ‘Light was beginning to touch the clouds on the horizon, turning the edges of the clouds molten silver.’
    • ‘The furnaces produce molten iron in the initial phase of steel production.’
    • ‘A spectacular form of heat advection occurs when molten rock, or magma, erupts from a volcano.’
    • ‘That then goes into a ceramic shell and the wax is melted out, leaving a cavity into which the molten bronze is poured.’
    • ‘The sun dug a bright pool in the bottle green water, sheening the surface like it were molten gold and cresting each small wave in silver.’
    • ‘They suggest that liquid in the Martian crust was heated when the molten rock or magma rose to the surface.’
    • ‘The molten rock rises to the seafloor and cools to form the layer of crust that paves the ocean floor.’
    • ‘Next she set about making the mold for the silver that would soon be a thick, molten liquid.’
    • ‘Drinking glasses and bowls were sometimes decorated with trails of molten glass applied to their outer surface.’
    liquefied, liquid, fluid, melted, flowing, soft
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Middle English: archaic past participle of melt.