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| an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language. |
| given to using long words. |
| petrochemical (pět'rō-kěm'ĭ-kəl) Pronunciation Key
Any of a large number of chemicals made from petroleum or natural gas. Important petrochemicals include benzene, ammonia, acetylene, and polystyrene. Petrochemicals are used to produce a wide variety of materials, such as plastics, explosives, fertilizers, and synthetic fibers. |
Any material made from substances found in oil or natural gas. Most plastics are petrochemicals.