Any agent used to make dough rise or to have a similar effect on baked goods. / (figuratively) Anything that induces change, especially a corrupting or vitiating change.

(transitive) To add a leavening agent. / (transitive) To cause to rise by fermentation. / (transitive, figuratively) To temper an action or decision.

plural of leavening

Containing leaven. / (figuratively) Inducing change, especially a corrupting or vitiating change.

plural of leaven

Third-person singular simple present indicative form of leaven

Making light by aeration.

The process by which something is leavened. / Synonym of leavening agent

present participle of leaven

simple past tense and past participle of leaven