molten

adjective

mol·​ten ˈmōl-tᵊn 

1

: fused or liquefied by heat : melted

molten lava

2

: having warmth or brilliance : glowing

the molten sunlight of warm skies

—T. B. Costain

3

obsolete : made by melting and casting

Examples of molten in a Sentence

Recent Examples on the Web

Its oldest crystals formed 4.51 billion years ago from the stream of molten matter that got blasted off Earth by a giant impact event. —Robin Andrews, Wired News, 15 June 2025

At the same time, however, Bush sought to address some of the underlying issues — the racist history of the LAPD, chief among them — that festered for decades before exploding into molten rage. —Mark Z. Barabak, Los Angeles Times, 9 June 2025

The molten mass then pours downwards to reveal the title of the single, hardening into a glinting ornate script made of diamonds and lined in gold. —Glenn Rowley, Billboard, 5 June 2025

In a nutshell, FDM printers produce objects via a nozzle that moves back and forth over a print bed, depositing a filament of molten thermoplastic in successive layers. —Ben Coxworth, New Atlas, 4 June 2025

Word History

Etymology

Middle English, from past participle of melten to melt

First Known Use

14th century, in the meaning defined at sense 3

Kids Definition

molten

adjective

mol·​ten ˈmōlt-ᵊn 

: melted especially by very great heat