We found 22 dictionaries that define the word proto-oncogene:

General (10 matching dictionaries)

1. proto-oncogene: American Heritage Dictionary of the English Language
2. proto-oncogene: Vocabulary.com
3. proto-oncogene: Wordnik
4. proto-oncogene: Wiktionary
5. proto-oncogene: Dictionary.com
6. Proto-oncogene: Wikipedia, the Free Encyclopedia
7. proto-oncogene: Rhymezone
8. proto-oncogene: FreeDictionary.org
9. proto-oncogene: Mnemonic Dictionary
10. proto-oncogene: TheFreeDictionary.com

Computing (1 matching dictionary)

11. proto-oncogene: Encyclopedia

Medicine (8 matching dictionaries)

12. proto-oncogene: Merriam-Webster Medical Dictionary
13. Dorland's Illustrated Medical Dictionary (No longer online)
14. Proto-oncogene: MedTerms.com Medical Dictionary
15. online medical dictionary (No longer online)
16. proto-oncogene: Dictionary of Cancer Terms
17. Molecular Biology Glossary (No longer online)
18. proto-oncogene: Medical dictionary
19. Proto-oncogene: Drug Medical Dictionary

Science (3 matching dictionaries)

20. Drug Discovery and Development (No longer online)
21. Proto-oncogene: Cytokines & Cells Online Pathfinder Encyclopaedia
22. AGRICULTURAL AND ENVIRONMENTAL BIOTECHNOLOGY (No longer online)

(Note: See proto-oncogenes as well.)

Definitions from Wiktionary (proto-oncogene) ▸ noun:  (genetics) A gene, promoting the specialization and division of normal cells, that could become an oncogene due to mutation. Similar: protooncogene, oncogene, oncopathogen, oncogen, oncogeneticist, antioncogene, oncogenotype, genotoxin, oncogenome, oncogenicity, more... Opposite: anti-oncogene, cancer inhibitor Phrases: proto-oncogene proteins, proto-oncogene proteins c-bcl-2, proto-oncogene proteins c-fos, proto-oncogene proteins c-jun, proto-oncogene proteins c-abl, more... ▸ Words similar to proto-oncogene ▸ Usage examples for proto-oncogene ▸ Idioms related to proto-oncogene ▸ Wikipedia articles (New!) ▸ Popular adjectives describing proto-oncogene ▸ Words that often appear near proto-oncogene ▸ Rhymes of proto-oncogene ▸ Invented words related to proto-oncogene