We found 8 dictionaries that define the word brightness level:

General (6 matching dictionaries)

1. brightness level: Vocabulary.com
2. brightness level: Dictionary.com
3. brightness level: Rhymezone
4. brightness level: FreeDictionary.org
5. brightness level: Mnemonic Dictionary
6. brightness level: TheFreeDictionary.com

Computing (1 matching dictionary)

7. brightness level: Encyclopedia

Tech (1 matching dictionary)

8. Glossary of Meteorology (No longer online)

Definitions from WordNet (brightness level) ▸ noun:  the quality of being luminous; emitting or reflecting light ▸ Words similar to brightness level ▸ Usage examples for brightness level ▸ Idioms related to brightness level ▸ Wikipedia articles (New!) ▸ Words that often appear near brightness level ▸ Rhymes of brightness level ▸ Invented words related to brightness level