Source : WordNet®

blowup
     n 1: a violent release of energy caused by a chemical or nuclear
          reaction [syn: {explosion}, {detonation}]
     2: an unrestrained expression of emotion [syn: {effusion}, {gush},
         {outburst}, {ebullition}]
     3: a photographic print that has been enlarged [syn: {enlargement},
         {magnification}]