helium-4

noun

The normal isotope of helium, 42He, that has two neutrons.

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Meanings

nounhelium-4 (uncountable)
  1. uncountablenatural sciencesThe normal isotope of helium, 42He, that has two neutrons.
Cite this entry
APA

helium-4. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/helium-4

MLA

“helium-4.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/helium-4. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “helium-4,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/helium-4.

Source: helium-4 on Wiktionary, CC BY-SA 4.0.