The DICT Development Group

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

  69 Moby Thesaurus words for "blowup":
     Photostat, Xerox, Xerox copy, accelerando, acceleration, access,
     aggravation, backfire, bang, beefing-up, blast, blaze of temper,
     blowing up, blowout, blueprint, boom, burst, concentration,
     condensation, consolidation, contact printing, cyanotype,
     deepening, detonation, discharge, enhancement, enlargement,
     eruption, exacerbation, exaggeration, explosion, flare, flare-up,
     flash, fulguration, fulmination, glossy, heating-up, heightening,
     high words, hologram, information explosion, intensification,
     lantern slide, magnification, matte, microcopy, microprint,
     outburst, photocopy, photogravure, photostatic copy, pickup,
     population explosion, positive, print, projection printing,
     redoubling, reinforcement, report, scene, semi-matte, slide,
     speedup, step-up, storm, strengthening, tightening, transparency