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We found 59 dictionaries with English definitions that include the word proton:
Click on the first link on a line below to go directly to a page where "proton" is defined.

General dictionaries General (28 matching dictionaries)
  1. proton: Merriam-Webster.com [home, info]
  2. proton: Oxford Dictionaries [home, info]
  3. proton: American Heritage Dictionary of the English Language [home, info]
  4. proton: Collins English Dictionary [home, info]
  5. proton: Vocabulary.com [home, info]
  6. proton: Macmillan Dictionary [home, info]
  7. Proton, proton: Wordnik [home, info]
  8. proton: Cambridge Advanced Learner's Dictionary [home, info]
  9. proton: Wiktionary [home, info]
  10. proton: Webster's New World College Dictionary, 4th Ed. [home, info]
  11. proton: The Wordsmyth English Dictionary-Thesaurus [home, info]
  12. proton: Infoplease Dictionary [home, info]
  13. proton: Dictionary.com [home, info]
  14. proton: Online Etymology Dictionary [home, info]
  15. proton: UltraLingua English Dictionary [home, info]
  16. proton: Cambridge Dictionary of American English [home, info]
  17. Proton (Compatibility layer), Proton (automobile), Proton (band), Proton (bank card), Proton (car), Proton (carmaker), Proton (company), Proton (compatibility layer), Proton (disambiguation), Proton (physics), Proton (rocket), Proton (rocket family), Proton (software), Proton (supermarkets), Proton: Wikipedia, the Free Encyclopedia [home, info]
  18. proton: Rhymezone [home, info]
  19. proton: Hutchinson's Dictionary of Difficult Words [home, info]
  20. Proton: Encarta® Online Encyclopedia, North American Edition [home, info]
  21. proton: Free Dictionary [home, info]
  22. proton: Hutchinson Dictionaries [home, info]
  23. proton: Mnemonic Dictionary [home, info]
  24. proton: WordNet 1.7 Vocabulary Helper [home, info]
  25. proton: LookWAYup Translating Dictionary/Thesaurus [home, info]
  26. proton: Dictionary/thesaurus [home, info]

Business dictionaries Business (1 matching dictionary)
  1. Proton: Construction Term Glossary [home, info]

Computing dictionaries Computing (2 matching dictionaries)
  1. PROTON: Free On-line Dictionary of Computing [home, info]
  2. Proton (physics), proton: Encyclopedia [home, info]

Medicine dictionaries Medicine (6 matching dictionaries)
  1. PROTON, proton: online medical dictionary [home, info]
  2. proton: Prostate Cancer Interactive Glossary [home, info]
  4. proton: Neurotrauma Glossary [home, info]
  5. proton: Dictionary of Cancer Terms [home, info]
  6. Proton (physics), proton: Medical dictionary [home, info]

Miscellaneous dictionaries Miscellaneous (2 matching dictionaries)
  1. proton: Encyclopedia of Graphic Symbols [home, info]
  2. PROTON: Acronym Finder [home, info]

Science dictionaries Science (12 matching dictionaries)
  1. proton: Electrochemistry Dictionary [home, info]
  2. Proton: From Stargazers to Starships Glossary [home, info]
  3. Proton: Chemistry Dictionary [home, info]
  4. Proton: Eric Weisstein's World of Physics [home, info]
  5. proton: Imagine the Universe! Dictionary [home, info]
  6. Proton: Extragalactic Astronomy [home, info]
  7. proton: General Chemistry Online [home, info]
  8. Proton: NRC Glossary of Nuclear Terms -- [home, info]
  9. proton: UNCChem Glossary [home, info]
  10. Proton: Accelerator Glossary [home, info]
  11. PROTON: Zoom Astronomy Glossary [home, info]

Slang dictionaries Slang (1 matching dictionary)
  1. proton: Urban Dictionary [home, info]

Tech dictionaries Tech (7 matching dictionaries)
  1. proton: High-Energy Astrophysics [home, info]
  2. proton: Electronics [home, info]
  3. Proton: AUTOMOTIVE TERMS [home, info]
  4. proton: Glossary of Meteorology [home, info]
  5. Proton: Explosives [home, info]
  6. proton, proton: JPL Terms [home, info]
  7. Proton: National Weather Service Glossary [home, info]

(Note: See protons for more definitions.)

Quick definitions from Macmillan (
American English Definition British English Definition

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Quick definitions from WordNet (proton)

noun:  a stable particle with positive charge equal to the negative charge of an electron

▸ Also see protons
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Words similar to proton

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Popular adjectives describing proton

Words that often appear near proton

Rhymes of proton

Invented words related to proton

Phrases that include proton:   proton synchrotron, proton pump inhibitors, proton exchange membrane, proton exchange membrane fuel cell, anti proton, more...

Words similar to proton:   protonic, more...

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