【上位】 an inferior state resulting from the process of decaying; "the corpse was in an advanced state of decay"; "the house had fallen into a serious state of decay and disrepair" 腐食の進行に起因するあまり良くない状態。
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(chemistry) separation of a substance into two or more substances that may differ from each other and from the original substance お互いに異なるかもしれない2つ以上の物質と原物質からの物質の分離。
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【上位】 (chemistry) a process in which one or more substances are changed into others; "there was a chemical reaction of the lime with the ground water" 1つ以上の物質が他の物に変わるという過程。
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【下位】 (chemistry) a chemical decomposition reaction produced by passing an electric current through a solution containing ions 電流の流れによって引き起こされた結合の溶解。
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