You searched for: “beta ray”
beta ray, beta rays
1. A stream of beta particles, especially of electrons.
2. A stream of electrons projected by radioactive substances.

They are identical with cathode rays, possess great penetrative power, and are easily deflected by an electric or magnetic field in a direction opposite to that of the alpha rays.

This entry is located in the following unit: beta; B, β + (page 2)
Word Entries containing the term: “beta ray”
beta-ray spectrometer, beta spectrometer
An instrument used to determine the energy distribution of beta particles and secondary electrons.
This entry is located in the following unit: beta; B, β + (page 3)