molten
adj.adj. describes metal or rock that has become a hot liquid because of extreme heat.
adj. reduced to a liquid state by heating. Typically describes substances with very high melting points, such as metals, glass, or volcanic rock.
The volcano poured molten lava down the mountain.
Workers at the steel mill must wear protective gear to handle the molten iron safely as it flows into the molds.
The Earth's outer core consists primarily of molten iron and nickel, the movement of which generates the planet's magnetic field through a complex dynamo effect.
From Middle English molten, from Old English molten, ġemolten (“melted, molten”), from Proto-Germanic multanaz, past participle of Proto-Germanic meltaną (“to melt”). Cognate with Scots moltin, Swedish multen.
Primarily used as an attributive adjective before a noun; rarely appears after a linking verb.