impurity

noun

im·​pu·​ri·​ty (ˌ)im-ˈpyu̇r-ə-tē How to pronounce impurity (audio)
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Nitrosamine impurities may increase the risk of cancer if people are exposed to them above acceptable levels over long periods of time, according to the FDA. Chris Sims, The Courier-Journal, 24 Oct. 2024 The charcoal formula is said to have detoxifying properties that help draw out any impurities clogging the hair follicle that cause buildup on the scalp and lead to itchiness. Brigitt Earley, Glamour, 24 Oct. 2024 Even a tiny impurity, like one that is less than 50 parts per billion, can ruin the final products, according to the News & Observer. Andy Kalmowitz / Jalopnik, Quartz, 30 Sep. 2024 In addition to the energy expense of post-combustion technology, the chemical mixture used to capture CO2 picks up impurities and starts to lose effectiveness over time, and its periodic replacement is expensive. Erik Kobayashi-Solomon, Forbes, 30 Oct. 2024 See all Example Sentences for impurity 

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of impurity was in the 15th century

Dictionary Entries Near impurity

Cite this Entry

“Impurity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/impurity. Accessed 28 Nov. 2024.

Kids Definition

impurity

noun
im·​pu·​ri·​ty (ˈ)im-ˈpyu̇r-ət-ē How to pronounce impurity (audio)
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 How to pronounce impurity (audio)
plural impurities
: something that is impure or makes something else impure

More from Merriam-Webster on impurity

Last Updated: - Updated example sentences
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