We found 38 dictionaries that define the word biology:

General (25 matching dictionaries)

1. biology: Merriam-Webster
2. biology: Oxford Learner's Dictionaries
3. biology: American Heritage Dictionary of the English Language
4. biology: Collins English Dictionary
5. biology: Vocabulary.com
6. Biology, biology: Wordnik
7. biology: Cambridge Advanced Learner's Dictionary
8. biology: Wiktionary
9. biology: Webster's New World College Dictionary, 4th Ed.
10. biology: The Wordsmyth English Dictionary-Thesaurus
11. biology: Infoplease Dictionary
12. biology: Dictionary.com
13. biology: Online Etymology Dictionary
14. biology: Cambridge Essential American English Dictionary
15. Biology (Girls Aloud song), Biology (band), Biology (disambiguation), Biology (journal), Biology (song), Biology: Wikipedia, the Free Encyclopedia
16. Biology: Online Plain Text English Dictionary
17. biology: Webster's Revised Unabridged, 1913 Edition
18. biology: Rhymezone
19. biology: AllWords.com Multi-Lingual Dictionary
20. biology: FreeDictionary.org
21. biology: Mnemonic Dictionary
22. biology: TheFreeDictionary.com
23. biology: Longman Dictionary of Contemporary English

Computing (1 matching dictionary)

24. biology: Encyclopedia

Medicine (5 matching dictionaries)

25. biology: Merriam-Webster Medical Dictionary
26. Dorland's Illustrated Medical Dictionary (No longer online)
27. Medical Dictionary (No longer online)
28. online medical dictionary (No longer online)
29. biology: Medical dictionary

Miscellaneous (1 matching dictionary)

30. biology: Stanford Encyclopedia of Philosophy

Religion (2 matching dictionaries)

31. Biology: Catholic Encyclopedia
32. biology: Father Jeromes DICTIONARY of Words/Phrases Used in the QUFD Website

Science (3 matching dictionaries)

33. Bird On! (No longer online)
34. Botanical Terms (No longer online)
35. Biology: Extragalactic Astronomy

Tech (1 matching dictionary)

36. Lake and Water Word Glossary (No longer online)

(Note: See biologist as well.)

Definitions from Wiktionary ( ) ▸ noun:  The study of all life or living matter. ▸ noun:  The living organisms of a particular region. ▸ noun:  The structure, function, and behavior of an organism or type of organism. ▸ noun:  (archaic) A biographical history. Similar: biota, biological science, biochemistry, physiology, zoology, science, ecology, genetics, biophysics, neurobiology, more... Opposite: physics, chemistry, mathematics, geology, astronomy Types: botany, zoology, microbiology, ecology, genetics, physiology, anatomy, marine biology, more... Phrases: molecular biology, Cell biology, evolutionary biology, marine biology, conservation biology, more... Adjectives: molecular, evolutionary, human, developmental, modern, marine, reproductive, general, basic, cellular, experimental Colors:     green,     brown,     blue,     red,     yellow, more... ▸ Word origin ▸ Words similar to biology ▸ Usage examples for biology ▸ Idioms related to biology ▸ Wikipedia articles (New!) ▸ Popular adjectives describing biology ▸ Words that often appear near biology ▸ Rhymes of biology ▸ Invented words related to biology