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 oil molecules in seeds also break apart and create impurities that affect how the oils crystallize when they’re cooled.
—
Katarina Zimmer, Smithsonian Magazine, 2 May 2025
The key is striking a balance between gentle yet clarifying formulas that thoroughly rid the skin of its impurities without stripping and causing further irritation.
—Conçetta Ciarlo, Vogue, 11 Apr. 2025
These Rael Pimple Patches—Miracle Overnight Spot Cover, $19.99 on Amazon, are hydrocolloid patches designed to stay on through the night and protect blemishes from pillow germs while gently absorbing impurities.
—Nora Colomer, Fox News, 13 Mar. 2025
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
See All Example Sentences for impurity
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Katarina Zimmer, Smithsonian Magazine, 2 May 2025
The key is striking a balance between gentle yet clarifying formulas that thoroughly rid the skin of its impurities without stripping and causing further irritation.
—Conçetta Ciarlo, Vogue, 11 Apr. 2025
These Rael Pimple Patches—Miracle Overnight Spot Cover, $19.99 on Amazon, are hydrocolloid patches designed to stay on through the night and protect blemishes from pillow germs while gently absorbing impurities.
—Nora Colomer, Fox News, 13 Mar. 2025
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
See All Example Sentences for impurity
Cite this Entry
“Impurity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/impurity. Accessed 23 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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