Usually means: Number of protons in nucleus.
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We found 7 dictionaries that define the word proton number:

General (5 matching dictionaries)
  1. proton number: Collins English Dictionary
  2. proton number: Wiktionary
  3. proton number: Dictionary.com
  4. Proton number: Wikipedia, the Free Encyclopedia
  5. proton number: TheFreeDictionary.com

Computing (1 matching dictionary)
  1. proton number: Encyclopedia

Medicine (1 matching dictionary)
  1. Proton number: Medical dictionary

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Definitions from Wiktionary (proton number)

▸ noun:  The number of protons in an atom.

Similar:
proton, neutron number, atomic number, mass number, nucleon number, electron number, protonium, protron, photoproton, antiproton, more...

Opposite:
electron number, atomic number

▸ Words similar to proton number

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▸ Idioms related to proton number

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▸ Words that often appear near proton number

▸ Rhymes of proton number

▸ Invented words related to proton number

Similar:
proton, neutron number, atomic number, mass number, nucleon number, electron number, protonium, protron, photoproton, antiproton, more...

Opposite:
electron number, atomic number



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