Synonyms for Blowup (same or very similar meaning)
WordNet sense 1 (a violent release of energy caused by a chemical or nuclear reaction):
detonation, explosion
WordNet sense 2 (an unrestrained expression of emotion):
ebullition, effusion, gush, outburst
WordNet sense 3 (a photographic print that has been enlarged):
enlargement, magnification
From the ODE community, based on WordNet
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