Longman Dictionary of Contemporary English homepage

Date: 1200-1300
Origin: An old past participle of melt

molten

 adjective
     
Related topics: Earth Sciences, Industry
mol‧ten [usually before noun]
TIHE molten metal or rock has been made into a liquid by being heated to a very high temperature:
molten iron
molten lava (=liquid rock from a volcano)
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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