deuteron

noun

deu·​ter·​on ˈdü-tə-ˌrän How to pronounce deuteron (audio)
 also  ˈdyü-
: a deuterium nucleus

Examples of deuteron in a Sentence

Recent Examples on the Web
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Those devices fired a beam of deuterons into a solid target laced with deuterium. Adrian Cho, science.org, 18 July 2024 In the lab, Wu and Shaknov used it to bombard a sheet of copper with deuterons, generating an unstable isotope, Cu 64, as a source of positrons—the antimatter. Michelle Frank, Scientific American, 13 Mar. 2023 The neutron collides with another deuteron in the lattice, imparting some of its own momentum to the deuteron. Bayarbadrakh Baramsai, IEEE Spectrum, 27 Feb. 2022 Shooting the gold with a proton creates a circular pattern; shooting the gold with a deuteron (a proton-neutron pair) creates an elliptical pattern; and shooting the gold with a helium-3 atom (a proton-proton-neutron trio) creates a triangular pattern. Jake Parks, Discover Magazine, 13 Dec. 2018

Word History

First Known Use

1933, in the meaning defined above

Time Traveler
The first known use of deuteron was in 1933

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Cite this Entry

“Deuteron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deuteron. Accessed 11 Sep. 2025.

Medical Definition

deuteron

noun
deu·​ter·​on ˈd(y)üt-ə-ˌrän How to pronounce deuteron (audio)
: a deuterium nucleus

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