Definition of “beta particle” - English Dictionary

british dictionary

(Definition of “beta particle” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“beta particle” in American English

See all translations

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.

(Definition of “beta particle” from the Cambridge Academic Content Dictionary © Cambridge University Press)