单词	potassium permanganate
释义	potassium permanganate noun : a dark purple salt KMnO4 used as an oxidizer and disinfectant Example Sentences Recent Examples on the Web Pingpong-like balls filled with potassium permanganate and injected with glycol are dropped from the air. Matt Wyatt, ExpressNews.com, 7 Jan. 2021 Each of the one-inch spheres, called Dragon Eggs, contains potassium permanganate, and just before they are released they are given a pin injection of anti-freeze. David Helvarg, National Geographic, 16 Oct. 2020 Word History First Known Use 1866, in the meaning defined above Medical Definition potassium permanganate noun : a dark purple salt KMnO4 used chiefly as an oxidizing agent and disinfectant
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