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单词 periridic
释义

> as lemmas

periridic
periridic adj. Obsolete periridic oxide, iridium trioxide, IrO3, an oxidizing agent.
ΚΠ
1873 H. Watts Fownes's Man. Elem. Chem. (ed. 11) 436 The trioxide, or Periridic oxide, is not known in the free state.
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