dopant

noun

dop·​ant ˈdō-pənt How to pronounce dopant (audio)
: an impurity added usually in minute amounts to a pure substance to alter its properties (such as conductivity)

Examples of dopant in a Sentence

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.
Their method ensures that the dopants are placed right over the nanotube. — IEEE Spectrum, 12 Dec. 2024 One way to fix this problem is to put the dopants on top of the channel, rather than within it. — IEEE Spectrum, 12 Dec. 2024

Word History

Etymology

dope entry 2

First Known Use

1962, in the meaning defined above

Time Traveler
The first known use of dopant was in 1962

Browse Nearby Words

dopaminergic
dopant
do-pas-so
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Cite this Entry

“Dopant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dopant. Accessed 30 Mar. 2025.

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Britannica.com: Encyclopedia article about dopant

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