adjective

molten

MOHL-tun/ˈməʊltən/

Made liquid by heat or appearing hot and fluid.

Glowing molten metal flows from the crucible into the mold.

Glowing orange molten metal being poured from crucible into mold, sturdy industrial equipment and heat shield, no people or text, visibly flowing incandescent liquid.

Etymology

moltOld Englishto become liquid through heat

Molten preserves an older participle of the verb meaning “become liquid through heat.” It describes the resulting state: a formerly solid substance now liquid because it has melted.

In context

Factory Secrets: How It's Made35:32

pure venadium transitions into a molten state and immediately dissolves in the iron.

How Scandium Is Extracted, Refined and Used — The Metal Pulled Out of Toxic Red Sludge

More examples

Workers pour molten steel into molds.
The cake has a warm, molten chocolate center.
At sunset, the river looks like molten gold.

Forms

molten

melt verb — To become liquid through heating.

Similar words

melted: Describes anything made liquid, not necessarily glowing with heat.
liquid: Describes a flowing state without implying heat or melting.