An explosive surge in a fire produced by the sudden inrush of oxygen mixing with superheated gases
The explosive 
burning of heated gases that occurs when oxygen is introduced into a 
compartment that... [DOC] [TLE] Explosive Reaction of Hydrogen and Oxygen Using Balloons ... [PAR] When ignited, hydrogen gas combines with oxygen gas explosively in ... of 
energy causes the surrounding air to expand suddenly, resulting in a sharp 
expolsion.