We found 22 dictionaries that define the word knowledge base:

General (12 matching dictionaries)

1. knowledge base: Longman Dictionary of Contemporary English
2. knowledge base: Oxford Learner's Dictionaries
3. knowledge base: American Heritage Dictionary of the English Language
4. knowledge base: Vocabulary.com
5. knowledge-base: Wordnik
6. knowledge base: Wiktionary
7. knowledge base: Dictionary.com
8. Knowledge Base, Knowledge base: Wikipedia, the Free Encyclopedia
9. knowledge base: Rhymezone
10. knowledge base: FreeDictionary.org
11. knowledge base: Mnemonic Dictionary
12. knowledge base: TheFreeDictionary.com

Business (1 matching dictionary)

13. BusinessDictionary.com (No longer online)

Computing (6 matching dictionaries)

14. knowledge base: Free On-line Dictionary of Computing
15. knowledge base: CCI Computer
16. Knowledge Base: Computer Telephony & Electronics Dictionary and Glossary
17. Webopedia (No longer online)
18. Technopedia (No longer online)
19. knowledge base: Encyclopedia

Medicine (1 matching dictionary)

20. online medical dictionary (No longer online)

Science (1 matching dictionary)

21. FOLDOP - Free On Line Dictionary Of Philosophy (No longer online)

Tech (1 matching dictionary)

22. Glossary of Meteorology (No longer online)

(Note: See knowledge_bases as well.)

Definitions from Wiktionary (knowledge base) ▸ noun:  A database designed to meet the complex storage and retrieval requirements of computerized knowledge management, especially in support of artificial intelligence or expert systems. Similar: knowledge domain, expert system, Knowledge Interchange Format, database, dBASE, database management system, adaptive intelligence, metabase, metadatabase, frame, more... Opposite: ignorance, unfamiliarity, inexperience Types: empirical knowledge, practical knowledge, intuitive knowledge, tacit knowledge, explicit knowledge, more... Phrases: Personal knowledge base, more... Adjectives: databased, acid, macro, model, denormalized, key, basic, superbasic, clustered, global, go ▸ Words similar to knowledge base ▸ Usage examples for knowledge base ▸ Idioms related to knowledge base ▸ Wikipedia articles (New!) ▸ Words that often appear near knowledge base ▸ Rhymes of knowledge base ▸ Invented words related to knowledge base