positron means: It is the antimatter equivalent to an electron. This has an opposite charge to the electron but the same mass. Photons create both electrons and positive positrons in a process known as pair production. Sometimes, positrons are called “antielectrons”. (in Community Dictionary, added by Andres Yang)

What else does positron mean?

  • Completely certain. Positive. (in Community Dictionary, added by Ubaldo Santos)
  • A particle that is similar to an electron but has a different charge. An antiparticle is one that is capable of forming antimatter. A positron and an electron come into contact when they are annihilated. (in Community Dictionary, added by Labyrinth)
  • A particle of elementary matter that has the same mass as and magnitude of an electron, but with a positive charge. (in AZ Dictionary)