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petrochemical

American  
[pe-troh-kem-i-kuhl] / ˌpɛ troʊˈkɛm ɪ kəl /

noun

  1. a chemical substance obtained from petroleum or natural gas, as gasoline, kerosene, or petrolatum.


adjective

  1. of or relating to petrochemistry or a petrochemical.

petrochemical British  
/ ˌpɛtrəʊˈkɛmɪkəl /

noun

  1. any substance, such as acetone or ethanol, obtained from petroleum or natural gas

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. of, concerned with, or obtained from petrochemicals or related to petrochemistry

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
petrochemical Scientific  
/ pĕt′rō-kĕm′ĭ-kəl /
  1. 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.


petrochemical Cultural  
  1. Any material made from substances found in oil or natural gas. Most plastics are petrochemicals.


Other Word Forms


Etymology

Origin of petrochemical

First recorded in 1910–15; petro- 2 + chemical


Vocabulary lists containing petrochemical

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The Treasury Department sanctioned 17 vessels it said were part of Iran’s remaining shadow fleet and had transported millions of barrels of Iranian crude, petroleum and petrochemical products to markets in South and East Asia.

From The Wall Street Journal ● Oct. 9, 2026

Crasus operates the Oita petrochemical complex, which includes the second-largest ethylene facility in Japan, the analysts say.

From The Wall Street Journal ● Sep. 28, 2026

Billionaire Ratcliffe, who is one of Britain's richest people and founder of petrochemical giant Ineos, made the comments in an interview with the BBC on Saturday.

From BBC ● Sep. 19, 2026

The country sells gasoline, diesel and jet fuel and is a top exporter of petrochemical feedstocks, such as ethylene, that are used for manufacturing plastics, packaging materials and other everyday goods.

From The Wall Street Journal ● Aug. 22, 2026

All day long she sat over a hole in the ground, the omphalos, the navel of the earth, breathing petrochemical fumes escaping from underneath.

From "Middlesex: A Novel" by Jeffrey Eugenides

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