helium hydride

Ellipsis of helium hydride cation, the unstable binary cation HeH⁺ present in interstellar space; it is the strongest acid, reactive with every chemical species except positive ions, including electrons.

Similar
HeH+hydridohelium(1+)hydridoheliumhydridohelium ionhydridohelium cationhelium hydride cationhelium hydride ionhydrogen heliumide
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Meanings

nounhelium hydride (uncountable)
  1. abbreviationellipsisuncountablechemistryEllipsis of helium hydride cation, the unstable binary cation HeH⁺ present in interstellar space; it is the strongest acid, reactive with every chemical species except positive ions, including electrons.

    Synonyms: HeH+, hydridohelium(1+), hydridohelium, hydridohelium ion, hydridohelium cation, helium hydride cation, helium hydride ion, hydrogen heliumide

Synonyms & antonyms

Also see
heloniumhydridohelium

Translations

Finnish heliumhydridi
  • heliumhydridiTranslations
German Heliumhydrid
  • HeliumhydridTranslations
Cite this entry
APA

helium hydride. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/helium%20hydride

MLA

“helium hydride.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/helium%20hydride. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “helium hydride,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/helium%20hydride.

Source: helium hydride on Wiktionary, CC BY-SA 4.0.