brownout

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brownout

[′brau̇n‚au̇t]
(electricity)
A restriction of electrical power usage during a power shortage, especially for advertising and display purposes.
An extinguishing of some of the lights in a city as a defensive measure against enemy bombardment.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

brownout

1. To complete the application of a base-coat plaster.
2. The setting of base-coat plaster, which darkens, or browns, as it sets.
3. The dimming of lights as a consequence of a reduction of voltage furnished to a section of a city (or an entire city) by the electrical utility.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

brownout

A lowering of AC power voltage for some period of time. Brownouts can be very harmful to electronic equipment if sustained for long periods. Brownouts can cause flickering or a dimming on screen, and the computer may experience intermittent problems as a result. See blackout.
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References in periodicals archive ?
This can be an issue when power hungry buildings such as data centres want to draw from a grid that is already under strain, leading to black and brown outs. Also, with people becoming more environmentally aware, it is more difficult to obtain power from green sources when you are based in London.
In the meantime, the threat of black outs and brown outs can be minimized by taking advantage of utility load reduction programs that provide cash incentives for customers to reduce energy consumption.
Depending on the construction phases of prospective projects, it will take probably another two more summers of possible brown outs before Ontario has enough generation capacity.