#combustion process

• Ignition — The act of igniting and its result; a physico-chemical process of triggering the combustion of a material or fuel mixture. In mechanical engineering, it defines the mechanical or electronic system that generates the spark necessary for the internal combustion engine's operation, while in medicine, it is popularly used to denote an acute, febrile, and severe inflammation of an organ.
• Burn — The first-person singular and third-person plural form of the verb 'a arde' (to burn); the action of undergoing a rapid chemical oxidation reaction accompanied by the release of heat and light (combustion); to destroy or consume a structural material through fire. In a physical or technological sense, it describes the transformation of chemical energy into thermal energy or the operation of incandescent components within an electrical circuit.