We found 11 dictionaries that define the word flash bulb:

General (8 matching dictionaries)

1. flash bulb: Vocabulary.com
2. flash bulb: Dictionary.com
3. flash bulb: Rhymezone
4. flash bulb: FreeDictionary.org
5. flash bulb: Mnemonic Dictionary
6. flash bulb: TheFreeDictionary.com
7. flash bulb: Longman Dictionary of Contemporary English

Computing (1 matching dictionary)

8. flash bulb: Encyclopedia

Miscellaneous (1 matching dictionary)

9. Encyclopedia of Graphic Symbols (No longer online)

Tech (1 matching dictionary)

10. PhotoNotes Dictionary of Film and Digital Photography (No longer online)

(Note: See flash_bulbs as well.)

Definitions from WordNet (flash bulb) ▸ noun:  a lamp for providing momentary light to take a photograph ▸ Words similar to flash bulb ▸ Usage examples for flash bulb ▸ Idioms related to flash bulb ▸ Wikipedia articles (New!) ▸ Words that often appear near flash bulb ▸ Rhymes of flash bulb ▸ Invented words related to flash bulb