polycyclic aromatic hydrocarbon

== English == === Noun === polycyclic aromatic hydrocarbon (plural polycyclic aromatic hydrocarbons) (organic chemistry) Any of a class of organic compounds composed of multiple aromatic rings, many of which are found in coal and in oil deposits, and are produced by the combustion of organic matter. Synonyms: (initialism) PAH, polyaromatic hydrocarbon ==== Translations ==== === Further reading === polycyclic aromatic hydrocarbon on Wikipedia.Wikipedia “polycyclic aromatic hydrocarbon”, in Merriam-Webster.com Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present. “polycyclic aromatic hydrocarbon”, in The American Heritage Dictionary of the English Language, 5th edition, Boston, Mass.: Houghton Mifflin Harcourt, 2016, →ISBN.