- (of a molecule or compound) containing or having molecules that contain two or more closed rings of atoms
- having two or more rings or whorls: polycyclic shells, a polycyclic stele
- a polycyclic compound
| 单词 | polycyclic |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 pol•y•cy•clic (pol′ē sī′klik, -sik′lik),USA pronunciation adj. [Chem.]
Collins Concise English Dictionary © HarperCollins Publishers:: polycyclic /ˌpɒlɪˈsaɪklɪk/ adj
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