the act of setting something on fire | the technical aspects of doing something |
the mechanism that ignites the fuel in an internal-combustion engine | device consisting of a piece of machinery; has moving parts that perform some function |
the process of initiating combustion or catching fire | (philosophy) the philosophical theory that all phenomena can be explained in terms of physical or biological causes |
| a natural object resembling a machine in structure or function |
| the atomic process that occurs during a chemical reaction |