We found 16 dictionaries that define the word free electron:

General (11 matching dictionaries)

1. free electron: Merriam-Webster
2. free electron: Collins English Dictionary
3. free electron: Vocabulary.com
4. free electron: Wiktionary
5. free electron: Infoplease Dictionary
6. free electron: Dictionary.com
7. Free electron: Wikipedia, the Free Encyclopedia
8. free electron: Rhymezone
9. free electron: FreeDictionary.org
10. free electron: Mnemonic Dictionary
11. free electron: TheFreeDictionary.com

Computing (1 matching dictionary)

12. free electron: Encyclopedia

Medicine (1 matching dictionary)

13. online medical dictionary (No longer online)

Science (1 matching dictionary)

14. free electron: UNCChem Glossary

Tech (2 matching dictionaries)

15. AUTOMOTIVE TERMS (No longer online)
16. Glossary of Meteorology (No longer online)

(Note: See free_electrons as well.)

Definitions from Wiktionary (free electron) ▸ noun:  (physics, chemistry) An electron not attached to an atom. ▸ noun:  (politics, figuratively) A person who acts independently of the organization to which they belong. Similar: lone pair, free space, chargelessness, free state, atomlessness, off time, leaf node, dimensionless quantity, free period, deoxyhemoglobin, more... Opposite: bound electron, valence electron, core electron Phrases: free electron laser, Free electron model, Nearly free electron model, more... ▸ Words similar to free electron ▸ Usage examples for free electron ▸ Idioms related to free electron ▸ Wikipedia articles (New!) ▸ Words that often appear near free electron ▸ Rhymes of free electron ▸ Invented words related to free electron