sep·tic /ˈsɛptɪk/
  (a.)腐敗的,敗血病的腐爛物
  sep·tic /ˈsɛptɪk/ 形容詞
  膿毒性的,敗血病的,腐敗性的,腐敗劑,腐爛物
  Sep·tic a.  Math. Of the seventh degree or order. -- n. Alg. A quantic of the seventh degree.
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  Sep·tic Sep·tic·al a.  Having power to promote putrefaction.
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  Sep·tic, n. A substance that promotes putrefaction.
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  septic
       adj 1: containing or resulting from disease-causing organisms; "a
              septic sore throat"; "a septic environment"; "septic
              sewage" [ant: antiseptic]
       2: of or relating to or caused by putrefaction; "the septic
          action occurs at the bottom of the septic tank"