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.
Traditional transistor manufacturing relies on a process called doping, which introduces impurities into silicon to control electrical behavior.
From Science Daily • May 30, 2026
The manufacturing process can also introduce impurities — like bacteria or heavy metals — into peptide drugs.
From Salon • Apr. 4, 2026
Ice masters look at the PH levels of the water and purify it to remove minerals and impurities.
From BBC • Feb. 10, 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
Normally, nuclear reactors use purified water, which runs through a closed system to ensure that none of the water from the reactor can get out—and that no impurities can get in.
From "Meltdown" by Deirdre Langeland
![]()