noun a substance, typically yeast, that is added to dough to make it ferment and rise
verb to add leaven to dough in order to make it rise
Leaven can also refer to a substance that lightens or raises the texture of foods, such as in the case of soufflés or pancakes.
In religious contexts, leaven is often used symbolically to represent corruption or sin, such as in the Jewish observance of Passover where leavened bread is avoided.
Leaven can be used metaphorically to describe something that causes change or transformation, such as new ideas or influences that 'leaven' a society.
Leaven is used in baking to make dough rise by causing fermentation, often in the form of yeast or baking powder.
In literature, 'leaven' is often used metaphorically to refer to something that adds interest or excitement to a story, such as a unique character or unexpected plot twist.
Psychologists may use the concept of 'leaven' when discussing how positive influences or experiences can help to alleviate negative emotions or behaviors in their clients.
In culinary contexts, 'leaven' refers to a substance such as yeast or baking powder that causes dough to rise, resulting in light and fluffy breads and pastries.
Financial analysts may use 'leaven' to describe a factor that can positively impact a company's financial performance, such as a new product launch or strategic partnership.