What context can I use each word in?
Learn when and how to use these words with these examples!
pollutant
Example
The factory was fined for releasing pollutants into the river. [pollutants: plural noun]
Example
Air pollution is caused by various pollutants such as carbon monoxide and sulfur dioxide. [pollutants: plural noun]
impurity
Example
The gold ring had impurities that made it less valuable. [impurities: plural noun]
Example
The water was not fit for drinking due to impurities such as bacteria and dirt. [impurities: plural noun]
Good things to know
Which word is more common?
Pollutant is more commonly used than impurity in everyday language, especially in the context of environmental issues and health hazards. Impurity is more commonly used in technical or scientific contexts, such as chemistry, metallurgy, and materials science.
What’s the difference in the tone of formality between pollutant and impurity?
Impurity is generally considered more formal than pollutant, as it is often used in technical or scientific contexts. However, both words can be used in formal or informal settings depending on the context and audience.