We found 11 dictionaries that define the word bact:

General (6 matching dictionaries)

1. bact: Merriam-Webster
2. bact: Webster's New World College Dictionary, 4th Ed.
3. bact: Infoplease Dictionary
4. BACT, bact: Dictionary.com
5. bact: Merriam-Webster
6. bact: Wiktionary

Medicine (1 matching dictionary)

7. bact: Merriam-Webster Medical Dictionary

Miscellaneous (2 matching dictionaries)

8. BACT: Acronym Finder
9. AbbreviationZ (No longer online)

Slang (1 matching dictionary)

10. BACT: Urban Dictionary

Tech (1 matching dictionary)

11. Glossary of Agricultural Terms, Programs and Laws (No longer online)

Definitions from Wiktionary (Bact) ▸ noun:  Abbreviation of bacteria. [(US) A type, species, or strain of bacterium.] ▸ Words similar to bact ▸ Usage examples for bact ▸ Idioms related to bact ▸ Wikipedia articles (New!) ▸ Popular adjectives describing bact ▸ Words that often appear near bact ▸ Rhymes of bact ▸ Invented words related to bact