dimmer

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dimmer

1. a device, such as a rheostat, for varying the current through an electric light and thus changing the illumination
2. US
a. a dipped headlight on a road vehicle
b. a parking light on a car

Dimmer

A solid-state device used to vary the voltage to a light fixture and thereby lower or raise the intensity of the light. Used mainly for incandescent lamps and fluorescent lamps with special ballasts. Also called a rheostat, it can be installed on a wall switch or directly into a lamp and can easily be added to existing installations.

dimmer

[′dim·ər]
(electricity)
An electrical or electronic control for varying the intensity of a lamp or other light source.

dimmer

A device which varies the light intensity of a light source without appreciably affecting the spatial distribution of the light; usually an electric control device that varies the current flow and hence the light output of the lamp. dimmer room A room in which are located the dimmers for controlling the lights for an auditorium or theater.
References in periodicals archive ?
But while Wrexham is pressing ahead with its plans to become greener through better bulbs and dimmer switches, other local authorities who are switching off lights to save cash have come under fire from the AA highways rescue agency.
Typically most of these projects employ dimmer switches for lighting, use passive solar energy technology and utilize natural lighting and ventilation wherever possible.
Editor's note: GE and Philips make compact fluorescent bulbs that work on dimmer switches.
The strip heaters were powered with 110Vac and controlled with ordinary dimmer switches.
14,436 to replace dimmer switches in the Governor's Mansion with fancier brass models.
Dimmer Switches A burning light bulb uses a certain amount of electricity, which is measured in watts.
Have your ambient lighting and 'accent' lighting on separate circuits controlled by dimmer switches to create a whole variety of moods and give your home that designer feel.
Anyway, that's what dimmer switches are for" - Actress Julia Roberts, who put on weight for a new film.
The dimming signal should be universal and non-proprietary, so all dimmer switches and lamps would be compatible.
DIMMER switches could be put on street lights in a bid to save a council cash and cut its carbon footprint.
Dimmer switches will control brightness, as with traditional lighting.
There are also fears non-standard fittings won't take new bulbs and the fact that most are incompatible with dimmer switches.