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.

present participle of leaven

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

Making light by aeration.

simple past tense and past participle of leaven

Prepared using leavening

plural of leaven

Third-person singular simple present indicative form of leaven

plural of leavening