The grammatical form denoting more than one person, place, thing, or idea.
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The E.P.A. also is enacting tougher restrictions on coal plants to reduce pollutants like soot and nitrous oxides, and to force the cleanup of water contamination from coal plants.
From New York Times ● Jul. 7, 2022
They get only 6 to 10 miles per gallon and emit ozone-producing nitrous oxides, which exacerbate our city’s poor air quality.
From Washington Post ● Aug. 25, 2021
Four of the state’s top emitters of particulate matter sulfur dioxide and nitrous oxides, which can, respectively, cause respiratory issues, and create acid rain are located within a five-mile radius of Boynton.
From The Guardian ● Jan. 9, 2020
However, burning diesel releases nitrous oxides and particulates that have been implicated in asthma.
From Slate ● May 18, 2016
That nitrogen and oxygen unite together to form nitric and nitrous oxides under the influence of intense heat, such as the electric spark, has been proved beyond doubt.
From Manures and the principles of manuring by Charles Morton Aikman
