explosion [ɪksˈpləʊʒən] ?
noun
2 (outburst) [of anger] arranque; (m) arrebato; (m) [of laughter] estallido; (m) [of feeling, emotion] arrebato; (m)
there has been an explosion of interest in her books el interés por sus libros ha experimentado un auge repentino; population explosion explosión demográfica; (f) price explosion aumento general de precios; (m)
