A power resistor is an electronic component that helps regulate the flow of electric current in an electrical circuit. It is commonly used in power electronics to convert electrical energy into different forms of energy. However, there are other synonyms for the word "power resistor" that are used interchangeably in the industry. These synonyms include high-wattage resistors, high-power resistors, and high-capacity resistors. These terms all refer to the same type of resistor that can handle a greater amount of power than a standard resistor. The use of these synonyms provides a better understanding of the specifications and capabilities of the resistor in different applications.