We found 9 dictionaries that define the word information systems:

General (4 matching dictionaries)

1. information systems: Vocabulary.com
2. information-systems: Wordnik
3. information systems: Wiktionary
4. Information Systems (journal), Information Systems, Information systems (discipline), Information systems: Wikipedia, the Free Encyclopedia

Business (1 matching dictionary)

5. MoneyGlossary.com (No longer online)

Computing (1 matching dictionary)

6. Information Systems: Encyclopedia

Medicine (2 matching dictionaries)

7. Medical Dictionary (No longer online)
8. online medical dictionary (No longer online)

Slang (1 matching dictionary)

9. Information Systems: Urban Dictionary

(Note: See information_system as well.)

Definitions from Wikipedia (Information Systems) ▸ noun:  a peer-reviewed scientific journal covering data-intensive technologies underlying database systems, business processes, social media, and data science. Phrases: Defense Information Systems Agency, geographic information systems, management information systems, bachman information systems, bull information systems, more... ▸ Words similar to information systems ▸ Usage examples for information systems ▸ Idioms related to information systems ▸ Wikipedia articles (New!) ▸ Words that often appear near information systems ▸ Rhymes of information systems ▸ Invented words related to information systems