detonation

noun

• the action of causing a bomb or explosive device to explode: she was in a control building at the time of detonation [count noun]:atom bomb detonations at Hiroshima and Nagasaki
• [count noun] a loud explosion:a series of deafening detonations was heard
• technical combustion of a substance which is initiated suddenly and propagates extremely rapidly, giving rise to a shock wave: natural gas’s high resistance to detonationCompare with deflagration.
• the premature combustion of fuel in an internal-combustion engine, causing pinking.