relating to a structure of molecules(= the simplest units of a chemical substance) that contain atoms in closed rings
We would see a cyclic molecule such as cyclohexane A as a flat ring with the hydrogen atoms around it.
His work on the structure of the metal carbonyls had suggested that a cyclic structure was improbable.他对金属羰基结构的研究表明，环状结构是不可能的。
更多例句
A traditional jet fuel has more straight- and branched-chain hydrocarbon molecules called alkanes, whereas the new fuel has more cyclic molecules that look like pairs of rings.
The reaction produces a cyclic sulfonium compound.