méthode champenoise

 
Pronunciation: /meɪˌtəʊd ʃɒ̃pənˈwɑːz/

noun

[mass noun, often as modifier]
  • a method of making sparkling wine by allowing the last stage of fermentation to take place in the bottle: [as modifier]: méthode champenoise wines
  • sparkling wine made by the méthode champenoise, especially a kind not made in the Champagne region of France: they all produce méthode champenoise in California [count noun]: he experimented with a méthode champenoise

Origin:

French, literally 'champagne method'