We found 12 dictionaries that define the word sigma factor:

General (4 matching dictionaries)

1. sigma factor: American Heritage Dictionary of the English Language
2. sigma factor: Dictionary.com
3. Sigma factor: Wikipedia, the Free Encyclopedia
4. sigma factor: TheFreeDictionary.com

Computing (1 matching dictionary)

5. sigma factor: Encyclopedia

Medicine (6 matching dictionaries)

6. sigma factor: Merriam-Webster Medical Dictionary
7. Medical Dictionary (No longer online)
8. online medical dictionary (No longer online)
9. Microbial Genetics Glossary (No longer online)
10. sigma factor, Sigma factor: Medical dictionary

Science (1 matching dictionary)

11. Drug Discovery and Development (No longer online)

Definitions from Wikipedia (Sigma factor) ▸ noun:  A sigma factor (σ factor or specificity factor) is a protein needed for initiation of transcription in bacteria. ▸ Words similar to sigma factor ▸ Usage examples for sigma factor ▸ Idioms related to sigma factor ▸ Wikipedia articles (New!) ▸ Words that often appear near sigma factor ▸ Rhymes of sigma factor ▸ Invented words related to sigma factor