Dictionary.com
Thesaurus.com
Synonyms

refiner

British  
/ rɪˈfaɪnə /

noun

  1. a person, device, or substance that removes impurities, sediment, or other unwanted matter from something

"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

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.

U.S. oil companies including refiner Marathon Petroleum have sent fuel from the Gulf Coast to West Coast states on about a dozen foreign tankers since mid-March.

From The Wall Street Journal • May 11, 2026

"India is a big importer of oil. Interestingly, they're a big refiner as well," he said, adding that the supply of jet fuel had been affected by restrictions linked to the war in Ukraine.

From BBC • Apr. 8, 2026

Oil refiner Marathon Petroleum and oil exploration company APA Corp. gained 4.9% and 4.5%, respectively.

From Barron's • Mar. 24, 2026

Hungary has capped fuel prices, while Poland’s main refiner has cut its margins to reduce the hit to consumers.

From The Wall Street Journal • Mar. 20, 2026

Long ago had it been said, “Behold the Lord, whom ye seek, shall suddenly come to His Temple; and He shall sit as a refiner and purifier of silver.”

From The Expositor's Bible: The Gospel of St. John, Vol. I by Dods, Marcus

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "refiner" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com