exothermic reaction
noun [ C ] chemistry specialized uk/ˌek.səuˌθɜː.mɪk riˈæk.ʃən/ us/ˌek.soʊˌθɝː.mɪk riˈæk.ʃən/
放热反应(放出热量的化学反应)
a chemical reaction in which heat is produced
Compare: endothermic reaction
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