noun
brightness
BRYT-nuhs
noun
1
The quality or degree of giving off or reflecting light.
"You can adjust the brightness of your phone screen in the settings."
"The brightness of the summer sky made her squint."
How to Use Brightness
Learner’s notesIn plain EnglishHow bright something is.
Common pairings
adjust the brightness
screen brightness
level of brightness
Word Forms
brightnesses plural
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You can adjust the _____ of your phone screen in the settings.
Etymology
From Old English beorhtnes, from bright plus the suffix -ness.