Added 9 October 2026
antiparticle
/ˈæntiˌpɑ(ɹ)tɪkəl/ noun
noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about antiparticle at Wordnik → Where our words come from →
- A particle that has the same mass as another particle but has opposite values for its other properties; interaction of a particle and its antiparticle results in annihilation and the production of radiant energy.