pollutant

noun

pol·​lut·​ant pə-ˈlü-tᵊnt How to pronounce pollutant (audio)
: something that pollutes

Examples of pollutant in a Sentence

filtered the pollutants out of the water
Recent Examples on the Web These generators produce exhaust that contains dangerous pollutants, including sulfur dioxide, nitrous oxide, particulates and carbon dioxide. Allyson Chiu, Washington Post, 14 July 2024 Lead can also find its way into the soil by emissions and pollutants released into the air from industrial facilities and factories. Alyssa Hui, Health, 11 July 2024 First, too much type I interferon can block a protein called the aryl hydrocarbon receptor, which helps regulate the body’s response to bacteria or environmental pollutants. Aria Bendix, NBC News, 10 July 2024 They’re built to remove pollutants from the atmosphere and require little energy consumption. Hannah Malach, WWD, 10 July 2024 See all Example Sentences for pollutant 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'pollutant.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1892, in the meaning defined above

Time Traveler
The first known use of pollutant was in 1892

Dictionary Entries Near pollutant

Cite this Entry

“Pollutant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pollutant. Accessed 27 Jul. 2024.

Kids Definition

pollutant

noun
pol·​lut·​ant pə-ˈlüt-ᵊnt How to pronounce pollutant (audio)
: something that pollutes

Medical Definition

pollutant

noun
pol·​lut·​ant pə-ˈlüt-ᵊnt How to pronounce pollutant (audio)
: something that pollutes
especially : something (such as a man-made waste) that makes an environment unsuitable or unsafe for use

More from Merriam-Webster on pollutant

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!