| 释义 |
polycyclic
pol·y·cyc·lic P5456800 (pŏl′ĭ-sĭk′lĭk, -sī′klĭk)adj. Having two or more atomic rings in a molecule.polycyclic (ˌpɒlɪˈsaɪklɪk) adj1. (Chemistry) (of a molecule or compound) containing or having molecules that contain two or more closed rings of atoms2. (Biology) biology having two or more rings or whorls: polycyclic shells; a polycyclic stele. n (Chemistry) a polycyclic compound: anthracene is a polycyclic. pol•y•cy•clic (ˌpɒl iˈsaɪ klɪk, -ˈsɪk lɪk)
adj. pertaining to an organic compound containing several atomic rings, usu. fused. [1865–70]
polycyclic
polycyclic[¦päl·i′sī·klik] (organic chemistry) A molecule that contains two or more closed atomic rings; can be aromatic (such as DDT), aliphatic (bianthryl), or mixed (dicarbazyl). |