CATHODE RAYS
\kˈaθə͡ʊd ɹˈe͡ɪz], \kˈaθəʊd ɹˈeɪz], \k_ˈa_θ_əʊ_d ɹ_ˈeɪ_z]\
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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.
By DataStellar Co., Ltd
Word of the day
Snake's-head
- Guinea-hen flower; -- so called in England because its spotted petals resemble the scales of a snake's head.