Physics department is a term commonly used to refer to a team of experts specializing in physics. There are several synonyms for this term that can be used interchangeably. For instance, one can use the phrase 'faculty of physics' to refer to a group of professionals with vast knowledge about physics. Another synonym that works well is 'physics faculty', which is often used to denote a team of experts who teach physics courses in colleges and universities. 'Department of Physics' is another synonym that can be used to refer to a group of physicists studying the various principles of physics. Other possible synonyms include 'school of physics', 'center of physics', 'institute of physics', among others.