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.
Combined with a chemical rinse, the process also removes metal catalyst impurities created during manufacturing while maintaining the critical one-dimensional nanostructure that makes CNTs so special. Joe Salas june 10, New Atlas, 10 June 2025 The combination of acids help lift impurities from skin and the centella asiatica extract and tea tree leaf extract gently exfoliate while keeping skin calm. Jenifer Calle, Glamour, 5 June 2025 Stir your fruit and/or veggies around in the mixture to loosen up leftover dirt and impurities. Patricia Shannon, Southern Living, 27 May 2025 Cetaphil Gentle Foaming Cleanser, 2 Pack $18 at Amazon The gentle formula, which blends vitamin B5 and vitamin E with glycerin, removes dirt and impurities. Toni Sutton, People.com, 13 May 2025 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

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Cite this Entry

“Impurity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/impurity. Accessed 1 Jul. 2025.

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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