单词	pentoxide
释义	pentoxide noun pent·​ox·​ide pent-ˈäk-ˌsīd  : an oxide containing five atoms of oxygen in the molecule Word History Etymology International Scientific Vocabulary First Known Use 1851, in the meaning defined above Phrases Containing pentoxide vanadium pentoxide vanadium pentoxide Medical Definition pentoxide noun pent·​ox·​ide pent-ˈäk-ˌsīd  : an oxide containing five atoms of oxygen in the molecule see iodine pentoxide
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