impurities

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.

Lead-halide perovskites, even when packed with impurities and structural flaws, are remarkably effective at turning sunlight into electricity.

From Science Daily • Apr. 10, 2026

The manufacturing process can also introduce impurities — like bacteria or heavy metals — into peptide drugs.

From Salon • Apr. 4, 2026

These impurities make the chemical composition unpredictable and reduce performance, which prevents the material from meeting the strict standards required for structural automotive alloys.

From Science Daily • Mar. 10, 2026

Ice masters look at the PH levels of the water and purify it to remove minerals and impurities.

From BBC • Feb. 10, 2026

As an example of how Boyle approached alchemy in a scientific way, he took issue with the idea that gold could be made by removing impurities from other metals.

From "The Scientists" by John Gribbin