per·chlo·ric acid /(ˌ)pɝˈklorɪk, ˈklɔr-/
  per·chlo·ric acid /(ˌ)pɝˌklorɪk, ˌklɔr-/ 名詞
  高氯酸,過氯酸
  Ox·y·chlo·ric a.  Chem. (a) Of, pertaining to, or designating in general, certain compounds containing oxygen and chlorine. (b) Formerly designating an acid now called perchloric acid. See Perchloric.
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  perchloric acid
       n : a powerful oxidizing agent; forms perchlorates