leavening
leav-en-ing
noun
A substance, such as yeast, that causes dough to rise and become light.
"Yeast is a common leavening agent in bread making."
Thesaurus
Synonyms: leaven
leav-en-ing
A substance, such as yeast, that causes dough to rise and become light.
"Yeast is a common leavening agent in bread making."
Synonyms: leaven