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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-kĕmĭ-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:

Earlier in August, 32 petrochemical workers in Bandar-e Mahshahr, a city on the Persian Gulf coast, publicly protested their dismissals, according to ILNA.

From The Wall Street Journal Aug. 26, 2026

The war has severely disrupted regional petrochemical trade.

From The Wall Street Journal Jul. 29, 2026

The analyst could turn more bullish if petrochemical spreads improve structurally following global capacity rationalization or if the disposal of unit Pengerang Petrochemical Company removes an earnings drag.

From The Wall Street Journal Jul. 23, 2026

Beyond exports to Europe, it is intended to supply natural gas to countries that currently rely on expensive imported fuels, potentially supporting new power generation, fertiliser plants, petrochemical industries and manufacturing along the Atlantic coast.

From BBC Jul. 20, 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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