helionium
helionium · helionia
Any atomic system containing a helium nucleus and an antihelium nucleusAny atomic system containing a helium nucleus and an antihelium nucleus.
Meaning
1 sensesAny atomic system containing a helium nucleus and an antihelium nucleus.
Forms
plural: helioniaWord family
3 related wordsLessons for this word
1 lessons- A1Plural nouns — Because its plural is irregular