brightness
noun /ˈbraɪtnəs/
/ˈbraɪtnəs/
[uncountable]- the fact of being full of light or of shining strongly
- She was momentarily blinded by the brightness of the room.
- how bright something is
- to adjust the brightness (= for example, on a TV set)
- As the brake is applied, the light increases in brightness.
- the quality of being bright in colour
- Repeated use of some washing powders can lead to a loss of brightness in colours.
- a cheerful and lively attitude or way of behaving
- Her brightness and energy kept us all together.
- the quality of being intelligent and quick to learn
- The brightness of these students isn't in doubt.