We found 9 dictionaries that define the word polio vaccine:

General (4 matching dictionaries)

1. polio vaccine: Collins English Dictionary
2. polio vaccine: Infoplease Dictionary
3. polio vaccine: Dictionary.com
4. Polio Vaccine, Polio vaccine: Wikipedia, the Free Encyclopedia

Computing (1 matching dictionary)

5. Polio vaccine: Encyclopedia

Medicine (4 matching dictionaries)

6. polio vaccine: Merriam-Webster Medical Dictionary
7. Johnson Bwby (No longer online)
8. Polio vaccine, Polio vaccine: Medical dictionary

Definitions from Wikipedia (Polio vaccine) ▸ noun:  Polio vaccines are vaccines used to prevent poliomyelitis (polio). Phrases: inactivated polio vaccine, oral polio vaccine, salk polio vaccine, Oral polio vaccine AIDS hypothesis, polio vaccine developer, more... ▸ Words similar to polio vaccine ▸ Usage examples for polio vaccine ▸ Idioms related to polio vaccine ▸ Wikipedia articles (New!) ▸ Words that often appear near polio vaccine ▸ Rhymes of polio vaccine ▸ Invented words related to polio vaccine