Definition of antiproton in English:

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antiproton

Pronunciation: /ˈan(t)ēˌprōˌtän/ /ˈanˌtīˌprōˌtän/

noun

Physics
The negatively charged antiparticle of a proton.
Example sentences
  • Positrons, antiprotons and other antiparticles can be routinely created at particle accelerator labs and can even be trapped and stored for days or weeks at a time.
  • The antiproton was produced when protons from a cyclotron were used to bombard a copper target.
  • The antiprotons - which are negatively charged, like electrons - took up orbits around nuclei.

For editors and proofreaders

Syllabification: an·ti·pro·ton

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