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 light is rather that of a glowing molten metal than that of a burning furnace. — Robert Lea, Space.com, 3 July 2026

Ready in just 30 minutes, this skillet cookie stars a molten center and crispy edges thanks to being baked a cast-iron skillet. — Lynn Andriani, Martha Stewart, 19 June 2026

Workers feed iron ore, coal and limestone into the furnaces’ top and use long sticks to punch open holes for purified molten iron to flow out from the bottom. — John Lippert, Chicago Tribune, 28 June 2026

The rhythm section is downright molten, an understated, earthy sway beneath Davis’ soaring melodies. — Natalie Weiner, Pitchfork, 19 June 2026

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