petroleum

noun

pe·​tro·​leum pə-ˈtrō-lē-əm How to pronounce petroleum (audio)
-ˈtrōl-yəm
: an oily flammable bituminous liquid that may vary from almost colorless to black, occurs in many places in the upper strata of the earth, is a complex mixture of hydrocarbons with small amounts of other substances, and is prepared for use as gasoline, naphtha, or other products by various refining processes

Examples of petroleum in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The top-performing subsectors were coal, petroleum, and household appliances. Brendan Ahern, Forbes, 4 Dec. 2024 Moreover, Iran sold $144 billion worth of petroleum and petroleum products from 2021 to 2023, and petroleum product exports have increased by more than 50 percent from 2020 to 2023, according to the Foundation for Defense of Democracies. Mark R. Weaver, Newsweek, 4 Dec. 2024 One of Malaysia’s richest tycoons with a vast business empire including telecommunications, media, petroleum and real estate. Ryan Hogg, Fortune, 3 Dec. 2024 They're typically made from plastic derived from petroleum and the majority come from China, meaning they are transported thousands of miles in container ships, adding to their net carbon cost. Elizabeth Weise, USA TODAY, 29 Nov. 2024 See all Example Sentences for petroleum 

Word History

Etymology

Middle English, "mineral oil," borrowed from Medieval Latin, "mineral oil, crude oil," from Latin petra "rock" (borrowed from Greek pétra) + oleum "oil" — more at petro-, oil entry 1

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of petroleum was in the 15th century

Dictionary Entries Near petroleum

Cite this Entry

“Petroleum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/petroleum. Accessed 17 Dec. 2024.

Kids Definition

petroleum

noun
pe·​tro·​leum pə-ˈtrō-lē-əm How to pronounce petroleum (audio)
-ˈtrōl-yəm
: an oily flammable liquid that may vary from almost colorless to black, is obtained from wells drilled in the ground, and is the source of gasoline, kerosene, fuel oils, and other products

Medical Definition

petroleum

noun
: an oily flammable bituminous liquid that may vary from almost colorless to black, occurs in many places in the upper strata of the earth, is a complex mixture of hydrocarbons with small amounts of other substances, and is prepared for use as gasoline, naphtha, or other products by various refining processes

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