hydride

noun

hy·​dride ˈhī-ˌdrīd How to pronounce hydride (audio)
: a compound of hydrogen with a more electropositive element or group

Examples of hydride in a Sentence

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In a July 2025 journal article, physicist Florian Grussie and collaborators at the Max Planck Institute for Nuclear Physics demonstrated that the first molecule to form in the universe, helium hydride, HeH⁺, could have been more abundant in the early universe than previously thought. Luke Keller, Space.com, 7 Sep. 2025 In a July 2025 journal article, physicist Florian Grussie and collaborators at the Max Planck Institute for Nuclear Physics demonstrated that the first molecule to form in the universe, helium hydride, HeH⁺, could have been more abundant in the early universe than previously thought. ArsTechnica, 27 Aug. 2025 It can be converted into a metal hydride, but this process, which involves mixing it with stable isotopes, decreases its energy density. IEEE Spectrum, 25 Aug. 2025 The system also utilizes batteries of different chemistries, states of health, and capacities, including lithium-ion (Li-ion), nickel-metal hydride (NiMH or Ni–MH), and lead-acid cells. Georgina Jedikovska, Interesting Engineering, 22 Aug. 2025 See All Example Sentences for hydride

Word History

First Known Use

1869, in the meaning defined above

Time Traveler
The first known use of hydride was in 1869

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Cite this Entry

“Hydride.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydride. Accessed 10 Sep. 2025.

Medical Definition

hydride

noun
hy·​dride ˈhī-ˌdrīd How to pronounce hydride (audio)
: a compound of hydrogen with a more electropositive element or group

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