yeastlike

yeast

noun

{bc}a yellowish surface froth or sediment that occurs especially in saccharine liquids (such as fruit juices) in which it promotes alcoholic fermentation, consists largely of cells of a fungus (such as the saccharomyces, {it}Saccharomyces cerevisiae{/it}), and is used especially in the making of alcoholic liquors and as a leaven in baking