A hybrid coil is a device that combines two or more configurations or elements to form a single component. It typically involves the use of multiple windings or coils that are designed to work together in order to achieve a specific function or result. There are several synonyms that can be used to describe a hybrid coil, including dual-coil, compound coil, and combination coil. Other related terms that may be used in this context include transformer, inductor, and choke. Regardless of the specific terminology that is used, hybrid coils are an important component in many different types of electronic circuits and systems.