Antiproton
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 The antiparticle of the proton, having a negative electric charge.
"There were also particles no one had predicted that just appeared. Five of them […, i]n order of increasing modernity, […] are the neutrino, the pi meson, the antiproton, the quark and the Higgs boson."
- 2 an unstable negatively charged proton; the antiparticle of a proton wordnet
Antonyms
All antonymsExample
More examples"There were also particles no one had predicted that just appeared. Five of them […, i]n order of increasing modernity, […] are the neutrino, the pi meson, the antiproton, the quark and the Higgs boson."
Etymology
From anti- + proton.