n.
Function: noun
Date: 1610
1 a : a sudden outbreak especially : a vehement outburst (as of emotion) b : EXPLOSION , ERUPTION c : a sudden intense effort <a burst of speed> d : the duration of fire in one engagement of the mechanism of an automatic firearm
2 : an act of bursting
3 : a result of bursting especially : a visible puff accompanying the explosion of a shell