Power fluid refers to a fluid that is used in hydraulic systems to transfer power from one point to another. Synonyms for this term include hydraulic fluid, transmission fluid, pump oil, and hydraulic oil. Hydraulic fluid is commonly used in various applications that require high-pressure pumping, such as manufacturing equipment, construction machinery, and farm machinery. Transmission fluid is used in vehicles with automatic transmissions to lubricate and cool components, while pump oil is used to lubricate pumps that are used in industrial settings. Hydraulic oil is a general term for any oil that is used in hydraulic applications, including those mentioned above. All of these synonyms refer to fluid that is used to transfer power and provide lubrication in hydraulic systems.