We found 5 dictionaries that define the word beta decays:

General (3 matching dictionaries)

1. beta decays: Merriam-Webster
2. beta decays: Collins English Dictionary
3. Beta decays: Wikipedia, the Free Encyclopedia

Computing (1 matching dictionary)

4. Beta decays: Encyclopedia

Medicine (1 matching dictionary)

5. Beta decays: Medical dictionary

(Note: See beta_decay as well.)

Definitions from Wiktionary (beta decay) ▸ noun:  (nuclear physics) A nuclear reaction in which a beta particle (electron or positron) is emitted. ▸ Also see beta_decay ▸ Words similar to beta decays ▸ Usage examples for beta decays ▸ Idioms related to beta decays ▸ Wikipedia articles (New!) ▸ Words that often appear near beta decays ▸ Rhymes of beta decays ▸ Invented words related to beta decays