diathermy
/daɪˈæθərmɪ/Definitions
1. noun
A form of heat therapy in which an electric current is passed through a part of the body to produce heat, used in medicine to relieve pain, reduce swelling, and promote healing.
“The doctor recommended diathermy to ease the patient’s back pain.”
2. noun
A medical treatment using high-frequency electrical currents to heat the body.
“The physical therapist used diathermy to soothe the athlete’s injured muscle.”