Definition of kombucha
: a gelatinous mass of symbiotic bacteria (as Acetobacter xylinum) and yeasts (as of the genera Brettanomyces and Saccharomyces) grown to produce a fermented beverage held to confer health benefits This tea's namesake ingredient, kombucha, is a mixed culture of yeasts and bacteria, often incorrectly called a mushroom. — Self Healing also : a somewhat effervescent beverage prepared by fermenting kombucha with black or green tea and sugar The rise in kombucha's popularity is part of a larger trend in "probiotic" foods containing bacteria, which some studies suggest benefit digestion and boost the immune system. — Malia Wollan
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