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  1. Oxford Dictionary

    polycyclic

    • IPA[ˌpɒlɪˈsʌɪklɪk]

    英式

    • adj.
      relating to or resulting from many cycles.；(of an organic compound) having several rings of atoms in the molecule
    • 釋義

    形容詞

    • 1. relating to or resulting from many cycles.
    • ▪ (of an organic compound) having several rings of atoms in the molecule polycyclic aromatic hydrocarbons
    • ▪ (of a landform or deposit) having undergone two or more cycles of erosion and deposition there is evidence for polycyclic material in both samples
    • 更多解釋

    polycyclic

    • IPA[ˌpälēˈsiklik]

    美式

    • adj.
      relating to or resulting from many cycles.

    Oxford American Dictionary