electron
i lek tron
- n an elementary particle with negative charge
- Thus, if we create an electron-positron pair and the positron later annihilates in a collision with another, different electron, we could view this as a single electron executing a .
- By a clever device Chairman Robert Andrews Millikan of the California Institute of Technology was able to measure the electrical charge of the electron, the indivisible unit of .
- Modern physicists are concerned with the infinitely largethe universeand the indefinitely smallthe electron.