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phenanthrene
This term is used exclusively within the domains of organic chemistry and environmental science. It describes a specific structural isomer of the three-ring aromatic hydrocarbons, distinguished from anthracene by its angular rather than linear arrangement of benzene rings.
In a practical context, it is most frequently discussed in the study of polycyclic aromatic hydrocarbons (PAHs) and their presence as pollutants in soil, air, or water. Because it is a specific chemical entity, it is treated as an uncountable mass noun in scientific reporting.
Meanings
A colorless crystalline polycyclic aromatic hydrocarbon consisting of three fused benzene rings in an angular arrangement, found in coal tar.
Examples
The researcher analyzed the concentration of phenanthrene in the soil sample.
The researcher analyzed the concentration of phenanthrene in the soil sample.
We need to isolate the phenanthrene from the mixture using chromatography.
Phenanthrene consists of three fused benzene rings in an angular arrangement.
Phenanthrene consists of three fused benzene rings in an angular arrangement.
I wonder if the oxidation of phenanthrene will yield phenanthraquinone.
The study examines how phenanthrene affects aquatic microorganisms.