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.
Do compact fluorescent bulbs work in sconces controlled by dimmer switches? Please let me know, as it would be a significant savings in my electric bill.
The strip heaters were powered with 110Vac and controlled with ordinary dimmer switches. Hoses supplied water from a faucet to strips of metal, which in turn cooled two sides of the plate.
All three models can also be used with rheostat dimmer switches in indoor lamp designs, while the FL77905 and FL77944 models have a dedicated DIM pin, which is designed to be used with analog or digital PWM dimming.
The process of fixing up the house, which has so far included reseeding and fertilizing the lawn, adding a barbecue and furniture to the backyard, painting walls and adding dimmer switches, will be supported by a website, complete with how-to videos (40 already are posted).
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.
Lots of my lights have dimmer switches. Can I fit them with energysaving bulbs?