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.

In real materials, tiny imperfections such as atomic defects and impurities tend to disrupt these delicate quantum effects, making them nearly impossible to observe.

From Science Daily • Apr. 15, 2026

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

From Salon • Apr. 4, 2026

Novo Nordisk referenced the FDA's concerns in its lawsuit announcement on Monday, saying Hims & Hers' compounded drugs "may contain dangerous impurities or incorrect amounts of active ingredients, which can result in life-threatening immune responses".

From BBC • Feb. 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

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