Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “beta particle”

beta particle

noun [C]     specialized
an extremely small piece of matter with a positive or negative electric charge, produced when a radioactive atom is broken downAtoms, molecules and sub-atomic particlesRadiation and radioactivity
(Definition of beta particle noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of beta particle

Definitions of “beta particle” in other dictionaries

Translations of “beta particle”

Word of the Day

limber up

to do gentle exercises to stretch the muscles in order to prepare the body for more active physical exercise

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More