…a microscopic fungus consisting of single oval cells that reproduce by budding, and capable of converting sugar into alcohol and carbon dioxide…
…a dried preparation of yeast used or suitable for use as leaven…
…a yeast which is used in the brewing of top-fermenting beer and is also eaten as a source of vitamin B…
…a yeast which is cultured for use in medicine and as a food additive, especially as a source of vitamins and protein…
