Piezoelectrics is the study of materials that can convert mechanical energy into electrical energy and vice versa. It is also known as piezoelectricity. Some synonyms for piezoelectrics include piezoelectricity, piezoelectric materials, piezoelectric substances, piezoelectric devices, and piezoceramics. These terms are often used interchangeably in scientific literature and engineering applications. Other related terms include acoustic-electric materials, electrostrictive materials, and ferroelectric materials, which also exhibit unique electrical properties based on mechanical deformation. Understanding the properties and applications of piezoelectrics and its many synonyms is crucial for developing new technologies in fields such as energy harvesting, wearable electronics, and medical devices.