We found 30 dictionaries that define the word root canal:

General (18 matching dictionaries)

1. root canal: Longman Dictionary of Contemporary English
2. root canal: Merriam-Webster
3. root canal: Oxford Learner's Dictionaries
4. root canal: American Heritage Dictionary of the English Language
5. root canal: Collins English Dictionary
6. root canal: Vocabulary.com
7. root-canal: Wordnik
8. root canal: Wiktionary
9. root canal: The Wordsmyth English Dictionary-Thesaurus
10. root canal: Infoplease Dictionary
11. root canal: Dictionary.com
12. Root canal: Wikipedia, the Free Encyclopedia
13. root canal: Rhymezone
14. root canal: FreeDictionary.org
15. root canal: Mnemonic Dictionary
16. root canal: TheFreeDictionary.com

Business (2 matching dictionaries)

17. Root canal: Glossary of Health Care Terms
18. root canal: Legal dictionary

Computing (1 matching dictionary)

19. root canal: Encyclopedia

Medicine (7 matching dictionaries)

20. root canal: Merriam-Webster Medical Dictionary
21. Dorland's Illustrated Medical Dictionary (No longer online)
22. Orthodontic Terms (No longer online)
23. online medical dictionary (No longer online)
24. Root canal: MEDLINE plus Illustrated Medical Encyclopedia
25. root canal: Medical dictionary
26. University of Maryland Glossary of Medical Terms (No longer online)

Slang (1 matching dictionary)

27. Root Canal: Urban Dictionary

Sports (1 matching dictionary)

28. Root Canal: Dan's Poker

(Note: See root_canals as well.)

Definitions from Wiktionary (root canal) ▸ noun:  (anatomy) The hollow part of the root of a tooth, containing the nerve and blood vessels. ▸ noun:  (dentistry) A surgical operation on a root canal, typically filling it with gutta-percha. Similar: rete, neural canal, neurocoele, central canal, alveolar nerve, sensory root, odontonecrosis, radiculopathy, superior alveolar nerve, neurocoel, more... Opposite: crown, filling, extraction, cleaning Types: endodontic therapy, root canal therapy, more... Phrases: root canal therapy, Root canal treatment, root canal file, accessory root canal, calcified root canal, more... ▸ Words similar to root canal ▸ Usage examples for root canal ▸ Idioms related to root canal ▸ Wikipedia articles (New!) ▸ Words that often appear near root canal ▸ Rhymes of root canal ▸ Invented words related to root canal