Home › Words › A › antihelionantihelionantihelion means the antiparticle of a helion, consisting of two antiprotons and one antineutron.EtymologyFrom anti- + helion.nounThe antiparticle of a helion, consisting of two antiprotons and one antineutron.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.antihyperon 75% match — The antiparticle of a hyperon vs antihelion →antihypertriton 75% match — The antiparticle equivalent of a hypertriton, consisting of an antiproton, an antineutron and any antihyperon vs antihelion →antihadron 73% match — The antiparticle of a hadron. vs antihelion →antilepton 73% match — The antiparticle of a lepton. vs antihelion →antiholon 72% match — The antiparticle of a holon vs antihelion →antihydrogen 71% match — The antimatter equivalent of hydrogen, consisting of an antiproton and a positron (antielectron). vs antihelion →antihaplon 71% match — The antiparticle of a haplon. vs antihelion →antineutron 71% match — The antiparticle corresponding to a neutron. vs antihelion →