Showing results for impurities. Search instead for Timpuri+Noi.

impurities

NOUN

contaminant

Synonyms

STRONGEST

contamination grime pollutant scum

STRONG

adulteration corruption defilement dirt filth pestilence poisoning pollution stain taint uncleanness

WEAK

foreign matter

Antonyms

STRONGEST

cleanliness

STRONG

pureness purification purity sterility

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

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

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

The more water we drink, the more we sweat, and sweating cleanses our bodies of impurities.

From "First They Killed My Father: A Daughter of Cambodia Remembers" by Loung Ung