dim up

(redirected from dimming up)

dim up

To cause dim lights to become brighter. We knew that the band wasn't going to play another encore when the lights in the arena dimmed up.
See also: dim, up

dim something up

to use a dimmer to make the lights brighter. (Theatrical. A dimmer is a rheostat, variable transformer, or something similar. The expression, a seeming contradiction, is the opposite of dim something down.) As the curtain rose, the electrician dimmed the lights up on a beautiful scene. You dimmed up the lights too fast.
See also: dim, up
References in periodicals archive ?
The ballast is reported to have exceptionally low energy consumption and a power factor close to unity, providing low current load, and supports lamp dimming up to 70% total energy cost saving.