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EPA

American  
  1. U.S. Government. Environmental Protection Agency: an independent federal agency, created in 1970, that sets and enforces rules and standards that protect the environment and control pollution.

  2. eicosapentaenoic acid: an omega-3 fatty acid present in fish oils.


EPA British  

abbreviation

  1. eicosapentaenoic acid: a fatty acid, found in certain fish oils, that can reduce blood cholesterol

  2. Environmental Protection Agency

"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.

EPA chief Lee Zeldin visited Los Angeles with the head of the Small Business Administration to address what they called unacceptable delays in granting building permits after last year’s devastating fires.

From Los Angeles Times • Apr. 3, 2026

“It saves you money!” one Reddit user wrote around the time of the EPA decision.

From The Wall Street Journal • Apr. 3, 2026

“For the first time in the program’s history, EPA is designating both microplastics and pharmaceuticals as priority contaminant groups,” he said.

From Los Angeles Times • Apr. 2, 2026

In a win for farmers, the EPA increased the amount of biofuels that must be blended into gas and diesel.

From The Wall Street Journal • Mar. 31, 2026

After that, the EPA probably saw the writing on the wall; in any case, it quit bugging Milagro’s dump.

From "The Milagro Beanfield War" by John Nichols