The Collaborative International Dictionary of English v.0.48:

Melt \Melt\, v. t. [imp. & p. p. Melted (obs.) p. p. Molten;
   p. pr. & vb. n. Melting.] [AS. meltan; akin to Gr.
   me`ldein, E. malt, and prob. to E. smelt, v. [root]108. Cf.
   Smelt, v., Malt, Milt the spleen.]
   1. To reduce from a solid to a liquid state, as by heat; to
      liquefy; as, to melt wax, tallow, or lead; to melt ice or
      snow.
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   2. Hence: To soften, as by a warming or kindly influence; to
      relax; to render gentle or susceptible to mild influences;
      sometimes, in a bad sense, to take away the firmness of;
      to weaken.
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            Thou would'st have . . . melted down thy youth.
                                                  --Shak.
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            For pity melts the mind to love.      --Dryden.
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   Syn: To liquefy; fuse; thaw; mollify; soften.
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The Collaborative International Dictionary of English v.0.48:

Molten \Mol"ten\, a. [See Melt.]
   1. Melted; being in a state of fusion, esp. when the liquid
      state is produced by a high degree of heat; as, molten
      iron.
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   2. Made by melting and casting the substance or metal of
      which the thing is formed; as, a molten image.
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WordNet (r) 3.0 (2006):

molten
    adj 1: reduced to liquid form by heating; "a mass of molten
           rock" [syn: molten, liquefied, liquified]