We found 22 dictionaries that define the word antibiotics:

General (10 matching dictionaries)

1. antibiotics: Merriam-Webster
2. antibiotics: Collins English Dictionary
3. antibiotics: Vocabulary.com
4. Antibiotics, antibiotic's, antibiotics: Wordnik
5. antibiotics: Cambridge Advanced Learner's Dictionary
6. antibiotics: Wiktionary
7. antibiotics: Dictionary.com
8. antibiotics: Cambridge Essential American English Dictionary
9. Antibiotics: Wikipedia, the Free Encyclopedia
10. Antibiotics: TheFreeDictionary.com

Business (1 matching dictionary)

11. Antibiotics: Legal dictionary

Computing (1 matching dictionary)

12. Antibiotics: Encyclopedia

Medicine (7 matching dictionaries)

13. antibiotics: Merriam-Webster Medical Dictionary
14. Breast Cancer Talking Dictionary (No longer online)
15. Antibiotics: Merck Manuals
16. online medical dictionary (No longer online)
17. KidsHealth Glossary of Medical Words (No longer online)
18. Antibiotics: Medical dictionary
19. Vitamin Glossary (No longer online)

Science (1 matching dictionary)

20. antibiotics: Evolution Glossary

Tech (2 matching dictionaries)

21. Glossary of Agricultural Terms, Programs and Laws (No longer online)
22. Washington State Definitions and Abbreviations of Vetrinary Terms (No longer online)

(Note: See antibiotic as well.)

Definitions from Wikipedia (Antibiotics) ▸ noun:  a peer-reviewed open-access scientific journal covering various aspects of antibiotics research. Opposite: pathogens, bacteria, viruses, infections, microbes Phrases: systemic antibiotics, oral antibiotics, aminoglycoside antibiotics, topical antibiotics, macrolide antibiotics, more... Adjectives: prophylactic, other, systemic, oral, intravenous, appropriate, lactam, topical, certain, broad, various Colors:     white,     blue,     green,     red,     yellow, more... ▸ Words similar to antibiotics ▸ Usage examples for antibiotics ▸ Idioms related to antibiotics ▸ Wikipedia articles (New!) ▸ Popular adjectives describing antibiotics ▸ Words that often appear near antibiotics ▸ Rhymes of antibiotics ▸ Invented words related to antibiotics