Word.ws English Dictionary

trihelium

trihelium noun: a molecule composed of three helium atoms, or matter composed of such molecules. Symbol: He₃.

Noun

trihelium (uncountable)

  1. A molecule composed of three helium atoms, or matter composed of such molecules. Symbol: He₃.
    Synonyms:
    helium trimer, triatomic helium

Synonyms of trihelium

  • helium trimer
  • triatomic helium

Questions about trihelium

What does trihelium mean?
Trihelium means a molecule composed of three helium atoms, or matter composed of such molecules. Symbol: He₃.
What part of speech is trihelium?
Trihelium is a noun.

Words near trihelium in the dictionary

  1. trihedral
  2. trihedron
  3. trihedrons
  4. trihelical
  5. trihelices
  6. trihelium
  7. trihelix
  8. triheme
  9. trihemeral
  10. trihemiobol
  11. trihemiobolion

Source and license

Adapted from Wiktionary: trihelium (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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