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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This general view shows oil tanks and facilities at Yeosu National Industrial Complex, the largest petrochemical industrial complex in South Korea, in Yeosu on April 7, 2026. Lee Ying Shan, CNBC, 21 Apr. 2026 Third, petrochemical costs rise, repricing everyday household goods. Katica Roy, Fortune, 21 Apr. 2026 China is set to import a record volume of US ethane this month as petrochemical producers seek alternative feedstocks for their operations after the war in the Middle East choked off crucial supplies. Bloomberg, 20 Apr. 2026 According to the Iranian news agency Fars, which is closely linked with its powerful Islamic Revolutionary Guard, Iran typically exports around $13 billion worth of petrochemical products every year. April 16, CBS News, 16 Apr. 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 23 Apr. 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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