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polycyclic
This term is used exclusively within the fields of organic chemistry and materials science to describe molecular architectures. It specifies a structural arrangement where multiple rings of atoms are fused or linked together, creating a complex, rigid framework.
Because it is a technical descriptor, it is almost always paired with specific chemical classes, most notably in the term "polycyclic aromatic hydrocarbons" (PAHs). It is not used in general conversation or non-scientific contexts to describe shapes or cycles.
Meanings
Examples
The researcher analyzed the polycyclic aromatic hydrocarbons found in the soil sample.
Is this molecule polycyclic or does it only have a single ring structure?
Many steroids are based on a polycyclic carbon skeleton.
I need to determine if the compound is polycyclic before I start the synthesis.
The combustion of organic matter often produces polycyclic compounds.
These polycyclic structures are notoriously difficult to synthesize in a lab.
These polycyclic structures are notoriously difficult to synthesize in a lab.
The toxicity of certain polycyclic hydrocarbons is a major environmental concern.
Look at this diagram; the polycyclic nature of the molecule increases its rigidity.