Acescence refers to the acidity or sourness present in a substance. There are several synonyms for this term, including tartness, sourness, tanginess, acidity, and acidulousness. These words describe the sharpness or bitterness of a taste, especially in foods and beverages. Other synonyms for acescence include acidity, sharpness, piquancy, and bite. Each of these words conveys the idea of a sharp or pungent taste, which can be unpleasant to some people. Acescence is a useful term for describing the flavor of many different foods and drinks, and there are many other words that can be used to convey the same idea in different ways.