We found 27 dictionaries that define the word graphical user interface:

General (17 matching dictionaries)

1. graphical user interface: Merriam-Webster
2. graphical user interface: Oxford Learner's Dictionaries
3. graphical user interface: American Heritage Dictionary of the English Language
4. graphical user interface: Collins English Dictionary
5. graphical user interface: Vocabulary.com
6. graphical user interface: Cambridge Advanced Learner's Dictionary
7. graphical user interface: Wiktionary
8. graphical user interface: Infoplease Dictionary
9. graphical user interface: Dictionary.com
10. Graphical User Interface, Graphical user interface: Wikipedia, the Free Encyclopedia
11. graphical user interface: Rhymezone
12. graphical user interface: FreeDictionary.org
13. graphical user interface: Mnemonic Dictionary
14. graphical user interface: TheFreeDictionary.com
15. graphical user interface: Longman Dictionary of Contemporary English

Art (1 matching dictionary)

16. ODLIS: Online Dictionary of Library and Information Science (No longer online)

Business (1 matching dictionary)

17. BusinessDictionary.com (No longer online)

Computing (6 matching dictionaries)

18. Graphical User Interface: Free On-line Dictionary of Computing
19. Graphical User Interface: CCI Computer
20. Graphical User Interface: Computer Telephony & Electronics Dictionary and Glossary
21. I T Glossary (No longer online)
22. Technopedia (No longer online)
23. Graphical-user interface, graphical user interface: Encyclopedia

Medicine (1 matching dictionary)

24. online medical dictionary (No longer online)

Tech (1 matching dictionary)

25. Graphical User Interface (GUI): Web Hosting Glossary

(Note: See graphical_user_interfaces as well.)

Definitions from Wiktionary (graphical user interface) ▸ noun:  (computing) A type of user interface which allows people to interact with a computer through a metaphor of direct manipulation of graphical images and widgets in addition to text. Similar: GUI, user interface, widget, desktop environment, user control, window manager, menuing, metaphor, character user interface, desktop, more... Phrases: graphical user interface (gui), Graphical user interface builder, History of the graphical user interface, SAP Graphical User Interface, Graphical user interface testing, more... ▸ Words similar to graphical user interface ▸ Usage examples for graphical user interface ▸ Idioms related to graphical user interface ▸ Wikipedia articles (New!) ▸ Words that often appear near graphical user interface ▸ Rhymes of graphical user interface ▸ Invented words related to graphical user interface