We found 19 dictionaries that define the word osis:

General (13 matching dictionaries)

1. osis: Longman Dictionary of Contemporary English
2. -osis: Merriam-Webster
3. -osis: Oxford Learner's Dictionaries
4. -osis, -osis: Collins English Dictionary
5. Osis, osis: Wordnik
6. -osis: Wiktionary
7. -osis: Webster's New World College Dictionary, 4th Ed.
8. -osis: The Wordsmyth English Dictionary-Thesaurus
9. -osis: Infoplease Dictionary
10. OSIS, -osis: Dictionary.com
11. -osis: Online Etymology Dictionary
12. Osis: Wikipedia, the Free Encyclopedia
13. -osis, osis: MyWord.info

Art (1 matching dictionary)

14. -osis: A Cross Reference of Latin and Greek Elements

Medicine (2 matching dictionaries)

15. Neurotrauma Glossary (No longer online)
16. -osis: Medical dictionary

Miscellaneous (2 matching dictionaries)

17. OSIS: Acronym Finder
18. AbbreviationZ (No longer online)

Tech (1 matching dictionary)

19. DOD Dictionary of Military Terms: Joint Acronyms and Abbreviations (No longer online)

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