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| Beta Rays Beta Particles | Cathode Rays | Beta Radiation | Radiation, Beta | Beta Particle | Beta Radiations | Beta Ray | Cathode Ray | Particle, Beta | Particles, Beta | Radiations, Beta | Ray, Beta | Ray, Cathode | Rays, Beta | Rays, Cathode A stream of positive or negative electrons ejected with high energy from a disintegrating atomic nucleus; most biomedically used isotopes emit negative particles (electrons or negatrons, rather than positrons). Cathode rays are low-energy negative electrons produced in cathode ray tubes, also called television tubes or oscilloscopes. | |
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