Equipotential is a term that refers to the concept of having the same potential or voltage at different points within a system. It is often used in electrical engineering and physics. There are various synonyms for equipotential, such as equipotency, equipotency state, equipotentiality, isopotential, and isopotentiality. These words imply that all the points or parts of a system have the same electrical potential. The term equipotential is also frequently used in the context of brain activity and neuroscience, where it implies that all brain regions involved in a specific task have the same level of activation. Overall, equipotential is an essential concept in science and engineering, and its synonyms highlight its importance in various fields.