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 The nitrogen is present in small quantities as a dopant and may not have a significant influence on the structural measurements done in this new report. John Timmer, Ars Technica, 16 May 2023 Chipmaking is divided into two parts: the front-end-of-line part consists of processes—many of them requiring high temperatures—that alter the silicon itself, such as implanting dopants to define the parts of a transistor. IEEE Spectrum, 21 Jan. 2020 ET News states that the panels are set to use Samsung's ‘M12 OLED material set’ which comprises the red, green and blue pixel’s dopant, host and prime elements in OLED displays. Gordon Kelly, Forbes, 21 June 2022 As with diamonds, these dopants change a crystal’s properties. The Economist, 5 Oct. 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'dopant.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


dope entry 2

First Known Use

1962, in the meaning defined above

Time Traveler
The first known use of dopant was in 1962

Dictionary Entries Near dopant

Cite this Entry

“Dopant.” Dictionary, Merriam-Webster, Accessed 22 Apr. 2024.

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