noun🔗ShareSudden, dangerous recombustion that occurs when there is a rapid reintroduction of oxygen to an enclosed space containing a fire."Firefighters must be cautious when opening a closed room during a fire because backdrafts, sudden explosions of flames and hot gases, can occur. "disasterenergyphysicsenvironmentphenomenascienceeventChat with AIVocabulary GamePractice Reading
