You searched for: “thermocautery
1. The use of an actual cautery; such as, an electrocautery (cauterization by means of a hot wire or point) to burn away tissue during a surgical procedure.

Cauterization is the destruction (burning) of tissue with a hot instrument, an electric current, or a caustic substance.

2. Any form of agent or an instrument (a needle or snare) used to destroy abnormal tissue by burning, searing, or scarring, including caustic substances, electric currents, lasers, and very hot or very cold instruments.