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

Her sculptural bookshelf and semicircular floor lamps possess a molten heft—their softened edges appearing raw and time-weathered. —Leonora Epstein, Architectural Digest, 7 Nov. 2025

This result provides the first concrete proof of the technical feasibility of using thorium in a molten-salt reactor system. —Aman Tripathi, Interesting Engineering, 6 Nov. 2025

Like a cross between a brownie and a molten chocolate cake, this gooey-in-the-middle dessert is truly decadent, especially when topped with a scoop of ice cream. —Lisa Cericola, Southern Living, 29 Oct. 2025

For the Paris premiere, Kardashian wore an icy blue, body-hugging gown from Christian Dior’s spring 2000 collection by John Galliano—and later that night, slipped into a molten gold corset from Alexander McQueen’s summer 1997 Givenchy couture collection to celebrate her 45th birthday. —Anna Cafolla, Vogue, 23 Oct. 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