Fermenting p. pr. & vb. n. : of Ferment

Example:
My homebrew wine has been Fermenting for three days. Should I add more sugar?

Taxonomy
fermentation, yeast, food, sugar, yeast cells, 2007-01-28, Fermented foods, stuck fermentation, alcohol, free encyclopedia, wine, evidence, Louis Pasteur, carbohydrates, carbon dioxide, Science, alcoholic fermentation, yeast extracts.

Defination from the web:
Fermentation in food processing typically refers to the conversion of carbohydrates to alcohols and carbon dioxide or ... Africa: fermented millet porridge, garri, hibiscus seed, hot pepper sauce, injera, lamoun makbouss, laxoox, mauoloh, msir, mslalla, oilseed, ogi, ogili, ogiri ...