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.

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

A key insight behind the theory is that even very heavy impurities are not perfectly still.

From Science Daily • Feb. 8, 2026

At the Cavendish, gold resisted the disintegration effect, except for a modest result the scientists traced to contamination of the heavier targets by light impurities such as boron.

From "Big Science" by Michael Hiltzik