Polycyclic may refer to:
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Polycyclic compound
In the field of organic chemistry, a polycyclic compound is an organic compound featuring several closed ring (chemistry), rings of atoms, primarily carbon. These ring substructures include cycloalkanes, aromaticity, aromatics, and other ring ...
, a cyclic compound with more than one hydrocarbon loop or ring structures, including:
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Polycyclic musks
Synthetic musks are a class of synthetic aroma compounds to emulate the scent of deer musk and other animal musks (castoreum and Civet (perfumery), civet). Synthetic musks have a clean, smooth and sweet scent lacking the fecal notes of animal musk ...
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Polycyclic aromatic hydrocarbon
A Polycyclic aromatic hydrocarbon (PAH) is any member of a class of organic compounds that is composed of multiple fused aromatic rings. Most are produced by the incomplete combustion of organic matter— by engine exhaust fumes, tobacco, incine ...
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Chlorinated polycyclic aromatic hydrocarbon
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Contorted polycyclic aromatic hydrocarbon
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Polycyclic group, in mathematics, a solvable group that satisfies the maximal condition on subgroups
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Polycyclic spawning, when an animal reproduces multiple times during its lifespan
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