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We found 20 dictionaries with English definitions that include the word beta ray:
Click on the first link on a line below to go directly to a page where "beta ray" is defined.

General (15 matching dictionaries)

1. beta ray: Merriam-Webster.com [home, info]
2. beta ray: Oxford Dictionaries [home, info]
3. beta ray: American Heritage Dictionary of the English Language [home, info]
4. beta ray: Collins English Dictionary [home, info]
5. beta ray: Vocabulary.com [home, info]
6. beta ray: The Wordsmyth English Dictionary-Thesaurus [home, info]
7. beta ray: Infoplease Dictionary [home, info]
8. beta ray: Dictionary.com [home, info]
9. Beta ray: Wikipedia, the Free Encyclopedia [home, info]
10. beta ray: Rhymezone [home, info]
11. beta ray: Free Dictionary [home, info]
12. beta ray: Mnemonic Dictionary [home, info]
13. beta ray: WordNet 1.7 Vocabulary Helper [home, info]
14. beta ray: LookWAYup Translating Dictionary/Thesaurus [home, info]
15. beta ray: Dictionary/thesaurus [home, info]

Computing (1 matching dictionary)

16. beta ray: Encyclopedia [home, info]

Medicine (2 matching dictionaries)

17. beta ray: online medical dictionary [home, info]
18. beta ray: Medical dictionary [home, info]

Science (1 matching dictionary)

19. Beta Ray: Eric Weisstein's World of Physics [home, info]

Tech (1 matching dictionary)

20. beta ray: Glossary of Meteorology [home, info]

(Note: See beta_rays for more definitions.)

Quick definitions from WordNet (beta ray) ▸ noun:  radiation of beta particles during radioactive decay ▸ Also see beta_rays ▸ Words similar to beta ray ▸ Usage examples for beta ray ▸ Words that often appear near beta ray ▸ Rhymes of beta ray ▸ Invented words related to beta ray