We found 17 dictionaries that define the word light box:

General (9 matching dictionaries)

1. light box: Merriam-Webster
2. light box: Oxford Learner's Dictionaries
3. light box: Collins English Dictionary
4. light-box: Wordnik
5. light box: Wiktionary
6. light box: Infoplease Dictionary
7. light box: Dictionary.com
8. Light-box, Light box: Wikipedia, the Free Encyclopedia
9. light box: TheFreeDictionary.com

Art (2 matching dictionaries)

10. English-Chinese Dictionary of Graphic Communications (Big 5) (No longer online)
11. ODLIS: Online Dictionary of Library and Information Science (No longer online)

Business (1 matching dictionary)

12. Light box: Legal dictionary

Computing (1 matching dictionary)

13. Light box: Encyclopedia

Medicine (1 matching dictionary)

14. Light box, box, light: Medical dictionary

Tech (3 matching dictionaries)

15. AUTOMOTIVE TERMS (No longer online)
16. Light Box: Nikonians Photo Glossary
17. PhotoNotes Dictionary of Film and Digital Photography (No longer online)

Definitions from Wiktionary (Light box) ▸ noun:  Alternative form of lightbox [A box containing a source of light and a white, translucent cover, used to view photographic transparencies.] Similar: shadow-box, letter-box, letter box, lamp-shade, shoe box, search-light, goggle-box, showbox, powerbox, slitlamp, more... Opposite: dark box, shadow box, opaque box ▸ Words similar to light box ▸ Usage examples for light box ▸ Idioms related to light box ▸ Wikipedia articles (New!) ▸ Words that often appear near light box ▸ Rhymes of light box ▸ Invented words related to light box