Definition of "yeast-plant" []

• The Saccharomyces cerevisiæ, a minute plant producing alcoholic fermentation in saccharine liquids; also, any one of several other species of the genus Saccharomyces. See yeast, 1 (with cut). (noun)

The Century Dictionary (Public Domain)

• "It is well seen in the yeast-plant, where the cell bulges at one side, and this bulge becomes larger until it is nipped off from the parent by contraction at the point of junction, and is then an independent plant."
• "It is the microscopic yeast-plant which, by seizing on certain atoms of the molecule, liberates the remaining atoms in the form of carbonic-acid and alcohol, thus effecting fermentation; it is another microscopic plant -- a bacterium, as Devaine had christened it -- which in a similar way effects the destruction of organic molecules, producing the condition which we call putrefaction."
• "As, for example, among the plants we take the yeast-plant, a Protococcus, a common mould, a Chara, a fern, and some flowering plant; among animals we examine such things as an"