From Longman Dictionary of Contemporary Englishmelting potˈmelting pot noun [singular] 1 SAa place where people from different races, countries, or social classes come to live together New York has always been a great melting pot.2 MIXa situation or place in which many different ideas are discussed3 → in the melting pot
Examples from the Corpus
melting pot• America has been a melting pot since the beginning of European immigration.• But again they are an ancient group with ancestors back in the Carboniferous forest, a melting pot for plant evolution.• We are, as they say up north, a melting pot.• Paris remains a melting pot for fashion.• The two have worked together to produce a booming Sunbelt and a brisk new stirring of the ethnic melting pot.• Magic and medicine were often in the same melting pot.• The melting pot is attracting foreigners. 