Word.ws English Dictionary

helionium

helionium noun: any atomic system containing a helium nucleus and an antihelium nucleus.

Noun

helionium (plural helionia)

  1. Any atomic system containing a helium nucleus and an antihelium nucleus.

Forms of helionium

pluralhelionia

Origin of helionium

* (helion-antihelion pair): helium + -onium

Questions about helionium

What does helionium mean?
Helionium means any atomic system containing a helium nucleus and an antihelium nucleus.
What part of speech is helionium?
Helionium is a noun.
What is the plural of helionium?
The plural of helionium is helionia.

Words near helionium in the dictionary

  1. heliomycin
  2. helion
  3. helional
  4. helionaut
  5. helionauts
  6. helionium
  7. helions
  8. heliopause
  9. heliopauses
  10. heliophile
  11. heliophiles

Source and license

Adapted from Wiktionary: helionium (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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