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Related to polycyclic: Polycyclic aromatic hydrocarbons


 (pŏl′ĭ-sĭk′lĭk, -sī′klĭk)
Having two or more atomic rings in a molecule.


1. (Chemistry) (of a molecule or compound) containing or having molecules that contain two or more closed rings of atoms
2. (Biology) biology having two or more rings or whorls: polycyclic shells; a polycyclic stele.
(Chemistry) a polycyclic compound: anthracene is a polycyclic.


(ˌpɒl iˈsaɪ klɪk, -ˈsɪk lɪk)

pertaining to an organic compound containing several atomic rings, usu. fused.
References in periodicals archive ?
According to the researchers Chisom Obasi, Nkechi Okoye, Uche Ekpunobi and Rosemary Arinze of the Department of Pure and Industrial Chemistry, Faculty of Physical Sciences in the research titled 'Distribution and Risk Assessment of Polycyclic Aromatic Hydrocarbon Contamination Arising from Uncontrolled Electronic Waste Recycling in Aba, Nigeria,' the objective of the research was to study the level of polycyclic aromatic hydrocarbons in soils and the potential human health and ecological risk assessed.
Contract award notice: Mission to locate asbestos and polycyclic aromatic hydrocarbons in asphalt before construction (
Summary: TEHRAN (FNA)- Astronomers have made the first definitive interstellar detection of benzonitrile, an intriguing organic molecule that helps to chemically link simple carbon-based molecules and truly massive ones known as polycyclic aromatic hydrocarbons.
Hepatic concentrations of total polycyclic aromatic hydrocarbons (n = 5 birds) were similar to background concentrations of polycyclic aromatic hydrocarbons previously found in yellow-eyed penguins from the South Island of New Zealand, but there were significantly higher concentrations of 1-methylnapthelene and 2-methylnapthelene in the birds found dead in this mortality cluster.
The health services on Friday recalled a smoked-sausage brand after lab tests indicated that the product exceeds the permitted level of Polycyclic Aromatic Hydrocarbons.
Polycyclic aromatic hydrocarbons (PAHs) are organic substances that contain two or more benzene rings.
A survey of a class of organic molecules called polycyclic aromatic hydrocarbon (PAH) has revealed that the rate of star formation in the early universe may have been much higher than previously thought.
The present study entails the quantification and evaluation of potential risk due to Polycyclic Aromatic Hydrocarbons (PAHs) which is one of the known organic pollutants from vehicular, power generation system's exhaust and other industrial activities.
Markes' new sorbent tube is dedicated to the reliable analysis of polycyclic aromatic hydrocarbons (PAHs) in air.
Wastewater Treatment: Occurrence and Fate of Polycyclic Aromatic Hydrocarbons (PAHs)
Polycyclic aromatic hydrocarbons (PAHs) have recently begun to attract attentions due to their cancerogenic and mutagenic effects on genes and human health.

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