mōltˈenly adverb

meltˈdown noun

1. The process in which, due to a failure of the cooling system, the radioactive fuel in a nuclear reactor overheats, melts through its insulation, and is released into the environment
2. An unforeseen and disastrous failure, with possible wide-reaching effects, such as a crash on the stock market

meltˈing-point noun

The temperature at which a given solid begins to become liquid

meltˈing-pot noun

1. A container for melting things in
2. A place characterized by the intermixing of several races or cultures
3. A state of dissolution preparatory to shaping anew (see also in the melting-pot below)

melting temperature noun (biology)

The temperature at which half the molecules in a nucleic acid solution have undergone thermal denaturation, ie DNA dissociated into single strands

meltˈ-water noun

Water running off melting ice or snow

in the melting-pot

In the process of changing and forming something new

melt down

1. To turn metal into a molten state
2. (of fuel in a nuclear reactor) to overheat, causing radioactivity to escape

melt in the mouth

(of food) to be delicious

molten salt reactor

One in which uranium is dissolved in a molten mixture of fluoride salts

molten sea see under sea