impurity
noun
im·pu·ri·ty
(ˌ)im-ˈpyu̇r-ə-tē 
plural impurities
1
: something that is impure or makes something else impure
removing impurities from water
2
: the quality or state of being impure
Examples of impurity in a Sentence
the impurity of the water
The syrup is strained to remove impurities.
The water is free of impurities.
Recent Examples on the Web
The agency also closely oversees the production of synthetic food dyes, checking for impurities that might result in a safety risk.
—
Paula Cohen, CBS News, 22 Apr. 2025
Thanks to impurities lodged within minerals, the rocks start to glow in vivid shades of pink, blue, yellow and green.
—David Bressan, Forbes.com, 17 Apr. 2025
In contrast, impurities in lunar dust give moonglass a slight tiny from the start—which stabilizes the material, preventing further darkening and also making the cells resistant to damaging radiation.
—Ian Randall, MSNBC Newsweek, 7 Apr. 2025
The science lies in its APG Cleansing Complex, a mild yet effective system that removes makeup, dirt, and impurities without stripping the skin.
—Christa Joanna Lee, Allure, 1 Apr. 2025
See All Example Sentences for impurity
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Paula Cohen, CBS News, 22 Apr. 2025
Thanks to impurities lodged within minerals, the rocks start to glow in vivid shades of pink, blue, yellow and green.
—David Bressan, Forbes.com, 17 Apr. 2025
In contrast, impurities in lunar dust give moonglass a slight tiny from the start—which stabilizes the material, preventing further darkening and also making the cells resistant to damaging radiation.
—Ian Randall, MSNBC Newsweek, 7 Apr. 2025
The science lies in its APG Cleansing Complex, a mild yet effective system that removes makeup, dirt, and impurities without stripping the skin.
—Christa Joanna Lee, Allure, 1 Apr. 2025
See All Example Sentences for impurity
Cite this Entry
“Impurity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/impurity. Accessed 3 May. 2025.
Copy CitationKids Definition
impurity
noun
im·pu·ri·ty
(ˈ)im-ˈpyu̇r-ət-ē
plural impurities
1
: the quality or state of being impure
2
: something that is impure or that makes impure
remove impurities from water
Medical Definition
impurity
noun
im·pu·ri·ty
(ˈ)im-ˈpyu̇r-ət-ē
plural impurities
: something that is impure or makes something else impure
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