antihelion

English

Etymology

anti- +‎ helion

Noun

antihelion (plural antihelions)

1. The antiparticle of a helion, consisting of two antiprotons and one antineutron.

Synonyms

• antihelium-3 nucleus

Hypernyms

• antiatomic nucleus
• antinucleus
• antiparticle
• atomic nucleus
• antihelium
• antihelium-3
• antihelium nucleus
• nuclear antiparticle
• nuclear particle
• nucleus
• particle
• subatomic particle