petrochemical

noun

pet·​ro·​chem·​i·​cal ˌpe-trō-ˈke-mi-kəl How to pronounce petrochemical (audio)
: a chemical isolated or derived from petroleum or natural gas
petrochemistry noun

Examples of petrochemical in a Sentence

Recent Examples on the Web
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Its members include Union Pacific’s archrival BNSF, CPKC, employee unions for both Union Pacific and Norfolk Southern, the Teamsters, and industry lobbying groups for the petrochemical and agriculture sectors. Jordan Blum, Fortune, 29 May 2026 The days-long threat of a catastrophic chemical explosion in Garden Grove has exposed the pervasive yet often ignored industrial risks hidden amid daily life in Southern California, where aerospace plants and petrochemical facilities are interwoven among homes, schools and parks. Los Angeles Times, 27 May 2026 The stages in creating feedstocks for petrochemicals and then products from these, their transport to the warehouse and then to the sales’ floor, may require 3-5 months, depending on distances involved. Scott Montgomery, Forbes.com, 26 May 2026 In South Korea, the naphtha shortage has already begun rippling through the petrochemical supply chain. CNBC, 26 May 2026 See All Example Sentences for petrochemical

Word History

Etymology

petro- + chemical entry 2

First Known Use

1942, in the meaning defined above

Time Traveler
The first known use of petrochemical was in 1942

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Cite this Entry

“Petrochemical.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/petrochemical. Accessed 5 Jun. 2026.

Kids Definition

petrochemical

noun
pet·​ro·​chem·​i·​cal ˌpe-trō-ˈkem-i-kəl How to pronounce petrochemical (audio)
: a chemical obtained from petroleum or natural gas

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