单词	beta particle
释义	English American beta particlenoun [ C ] uk/ˈbiː.tə ˌpɑː.tɪ.kəl/us/ˈbeɪ.t̬ə ˌpɑːr.t̬ə.kəl/specialized an extremely small piece of matter with a positive or negative electric charge, produced when a radioactive atom is broken down Thesaurus: synonyms and related words Physics: atoms, molecules & sub-atomic particles acceptor antilepton antimatter antineutrino antiparticle cation disaccharide elementary particle intramolecular ion ionize lepton Lewis structure macromolecule neutron quark relative molecular mass strong force subatomic particle subunit See more results » You can also find related words, phrases, and synonyms in the topics: Physics: radiation & radioactivity Examples from literature That was the dangerous kind, because both beta particles and gamma rays could penetrate clothing and skin. The beta particles emanating from radium were soon identified with the electrons of the cathode ray. They are much larger than beta particles, and have less penetrative power. beta particlenoun [ C ] /ˈbeɪ·t̬ə ˌpɑr·t̬ɪ·kəl/ beta (+) particle also beta (–) particle chemistry, physics an extremely small piece of matter with a positive or negative electric charge, produced when an atom is broken down. A beta (+) particle is the same as a positron; a beta (–) particle is an electron.
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beta particlenoun [ C ]

beta particlenoun [ C ]