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Definitions

pollutant

[puh-loot-nt] / pəˈlut nt /


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.

Coal is a top contributor to planet-warming greenhouse gases, and also a powerful air pollutant that is harmful for human health.

From Barron's • Mar. 24, 2026

Dissenting in Massachusetts, Justice Antonin Scalia wrote that from the court’s reasoning, “it follows that everything airborne, from Frisbees to flatulence, qualifies as an ‘air pollutant.’

From The Wall Street Journal • Feb. 18, 2026

The report from environment groups Size of Wales and WWF Cymru says the soy is high in phosphorous, and becomes a pollutant when animal manure spread on land runs off into rivers.

From BBC • Nov. 9, 2025

It’s a potent economic fog to navigate, and younger Americans can point out the pollutant in a lineup.

From Salon • May 2, 2025

It is a bit of a chemical oddity in that at ground level it is a pollutant, while way up in the stratosphere it is beneficial, since it soaks up dangerous ultraviolet radiation.

From "A Short History of Nearly Everything" by Bill Bryson




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