Antifoam is a chemical substance used to reduce or eliminate foaming in industrial processes. There are several other terms used to refer to antifoam, including defoamer, foam control agent, and foam preventer. Defoamer, as the name suggests, is any substance that helps to minimize foam created in industrial or commercial applications. The term foam control agent refers to any product or substance that can control the amount of foam generated in different industrial processes. Finally, the term foam preventer is another synonym for antifoam; it is used to describe any substance that can reduce the amount of foam generated in manufacturing or industrial processes. Regardless of the name used, all of these synonyms are critical for maintaining efficiency and quality in production processes.