1. Made liquid by heat; melted: molten lead.
2. Made by melting and casting in a mold.
3. Brilliantly glowing, from or as if from intense heat: "A huge red bed of coals blazed and quivered with molten fury" (Richard Wright).
A past participle of melt.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.