Learn That Word

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 WordNetadd/edit