Homonym: Acid (Sour)
An acid is a type of chemical substance that can donate protons or hydrogen ions in a solution. They often have a sour taste and can be found in many everyday items, such as vinegar and citrus fruits. Acids play a crucial role in various chemical reactions and are important in many industries, including food production and cleaning.
In addition to their practical uses, acids are also essential in biology. For example, stomach acid helps digest food, while DNA contains acidic components that are vital for genetic information. Understanding acids is important for both science and daily life.