TOP

Definition of beta decay noun from the Oxford Advanced Learner's Dictionary

beta decay

noun

/ˈbiːtə dɪkeɪ/

/ˈbeɪtə dɪkeɪ/

[uncountable] (physics)

jump to other results

the process in which the nucleus of an atom is broken up and an electron is given off

Questions about grammar and vocabulary?

Find the answers with Practical English Usage online, your indispensable guide to problems in English.

See beta decay in the Oxford Advanced American Dictionary

Check pronunciation: beta decay

Nearby words

noun

From the Word list

A1

Oxford Learner's Dictionaries Word of the Day