ALL meanings of antihydrogen
an·ti·hy·dro·gen
A a - noun antihydrogen hydrogen in which the nucleus is an antiproton with an orbiting positron 3
- noun antihydrogen the antimatter counterpart to hydrogen. 1
- noun antihydrogen (Uncountable Noun) (physics) The antimatter equivalent of hydrogen, consisting of an antiproton and an positron (antielectron). 0
- noun antihydrogen (Countable Noun) (physics) An atom of the antimatter equivalent of hydrogen. 0