We found 34 dictionaries that define the word occurrence:

General (24 matching dictionaries)

1. occurrence: Merriam-Webster.com
2. occurrence: Oxford Learner's Dictionaries
3. occurrence: American Heritage Dictionary of the English Language
4. occurrence: Collins English Dictionary
5. occurrence: Vocabulary.com
6. Occurrence, occurrence: Wordnik
7. occurrence: Cambridge Advanced Learner's Dictionary
8. occurrence: Wiktionary
9. occurrence: Webster's New World College Dictionary, 4th Ed.
10. occurrence: The Wordsmyth English Dictionary-Thesaurus
11. occurrence: Infoplease Dictionary
12. occurrence: Dictionary.com
13. occurrence: Cambridge Essential American English Dictionary
14. Occurrence: Wikipedia, the Free Encyclopedia
15. Occurrence: Online Plain Text English Dictionary
16. occurrence: Webster's Revised Unabridged, 1913 Edition
17. occurrence: AllWords.com Multi-Lingual Dictionary
18. occurrence: Webster's 1828 Dictionary
19. occurrence: Free Dictionary
20. occurrence: Mnemonic Dictionary
21. occurrence: Dictionary/thesaurus
22. occurrence: Rhymezone

Business (4 matching dictionaries)

23. occurrence: Webster's New World Law Dictionary
24. Glossary of Legal Terms (No longer online)
25. occurrence: Legal dictionary
26. BusinessDictionary.com (No longer online)

Computing (2 matching dictionaries)

27. occurrence: Dictionary of Algorithms and Data Structures
28. occurrence: Encyclopedia

Medicine (1 matching dictionary)

29. occurrence: Medical dictionary

Religion (1 matching dictionary)

30. Postmodern Bible Dictionary (No longer online)

Science (2 matching dictionaries)

31. Environmental Terminology Discovery Service (No longer online)
32. occurrence: PlanetMath Encyclopedia

(Note: See occurrences as well.)

Definitions from Wiktionary ( ) ▸ noun:  An actual instance when a situation occurs; an event or happening. ▸ noun:  (grammar, semantics) The lexical aspect (aktionsart) of verbs or predicates that change in or over time. Similar: happening, natural event, occurence, occurance, occurrance, nonoccurrence, reoccurrence, recurrence, incidence, occurring, more... Opposite: non-event, absence, nonexistence, inactivity, void Types: event, phenomenon, incident, episode, more... Phrases: co occurrence, occurrence policy, An Occurrence at Owl Creek Bridge, Occurrence of thorium, sudden occurrence, more... Adjectives: frequent, common, rare, daily, unusual, actual, natural, uncommon, everyday, widespread, infrequent ▸ Words similar to occurrence ▸ Usage examples for occurrence ▸ Idioms related to occurrence ▸ Wikipedia articles (New!) ▸ Popular adjectives describing occurrence ▸ Words that often appear near occurrence ▸ Rhymes of occurrence ▸ Invented words related to occurrence