1.  melting pot(n = noun.location) - an environment in which many ideas and races are socially assimilated;
is a kind of environment, environs, surround, surroundings

2.  melting pot(n = noun.artifact) crucible - a vessel made of material that does not melt easily; used for high temperature chemical reactions;
is a kind of vessel

1.  A vessel in which anything is melted; a crucible. [1913 Webster]

2.  A place where people of different backgrounds become similar in culture. The United States has often been referred to as a melting pot, though the differences in cultures of recently arrived immigrants persists beyond the generation of immigrants. [PJC]

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