- the act of detonating.
- an explosion.
- the premature spontaneous burning of a fuel–air mixture in an internal-combustion engine due to the high temperature of air compressed in a cylinder.
- an explosion or the act of exploding
- the spontaneous combustion in an internal-combustion engine of part of the mixture before it has been reached by the flame front, causing the engine to knock
- rapid combustion, esp that occurring within a shock wave
