What is the meaning of Secondary_fermentation?

Any fermentation that takes place after the conversion of sugar to alcohol in beers and wine

  1. The production of carbon dioxide in sparkling wine using the méthode champenoise, or in beer using bottle conditioning
  2. Malolactic fermentation.

The production of carbon dioxide in sparkling wine using the méthode champenoise, or in beer using bottle conditioning

Malolactic fermentation.

Source: wiktionary.org