We found 21 dictionaries that define the word oology:

General (17 matching dictionaries)

1. oology: Merriam-Webster
2. oology: Oxford Learner's Dictionaries
3. oology: American Heritage Dictionary of the English Language
4. oology: Collins English Dictionary
5. oology: Vocabulary.com
6. oology: Wiktionary
7. oology: Webster's New World College Dictionary, 4th Ed.
8. oology: The Wordsmyth English Dictionary-Thesaurus
9. oology: Infoplease Dictionary
10. Oology, oology: Dictionary.com
11. Oology: Wikipedia, the Free Encyclopedia
12. Oology: Online Plain Text English Dictionary
13. Oology: AllWords.com Multi-Lingual Dictionary
14. oology: FreeDictionary.org
15. oology: The Phrontistery - A Dictionary of Obscure Words
16. oology: Mnemonic Dictionary
17. oology: TheFreeDictionary.com

Computing (1 matching dictionary)

18. oology: Encyclopedia

Medicine (1 matching dictionary)

19. online medical dictionary (No longer online)

Miscellaneous (1 matching dictionary)

20. oology, oology, oology: A Word A Day

Science (1 matching dictionary)

21. Bird On! (No longer online)

(Note: See oologist as well.)

Definitions from Wiktionary (oology) ▸ noun:  (ornithology) The study of birds' eggs. ▸ noun:  The hobby or practice of collecting birds' eggs, especially those of wild birds. Similar: oölogy, ovology, ornithology, birdlore, ovologist, caliology, ornithogeography, ethnoornithology, orchidology, pterylology, more... Opposite: ornithology, birdwatching Types: avian, ornithology, more... ▸ Words similar to oology ▸ Usage examples for oology ▸ Idioms related to oology ▸ Wikipedia articles (New!) ▸ Popular adjectives describing oology ▸ Words that often appear near oology ▸ Rhymes of oology ▸ Invented words related to oology