Chemistry. Esp. of an aromatic hydrocarbon: having more than one ring of atoms in the molecule.
| 单词 | θ70374 |
| 释义 | the world > matter > chemistry > organic chemistry > [adjective] > organic structure > cyclic or ring compounds > polycyclic (2) polycyclic1903 Chemistry. Esp. of an aromatic hydrocarbon: having more than one ring of atoms in the molecule. multicyclic1961 Chemistry. = polycyclic, adj. 3. |
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