Origin of brownoutbrown (black)out
- A period of low alternating current line voltage, causing a reduction in illumination
- When demand for electricity exceeds the available supply, a brownout occurs.
- Temporary dimming of vision, usually with a brown hue and accompanied by loss of peripheral vision or tunnel vision.
- On rising suddenly from her chair she experienced a brownout and had to sit down again quickly.
- Temporary closing of a fire station, usually due to budget restrictions.
- Fire departments across the country have been forced to rely on rolling brownouts because of the recession.
A rolling brownout describes a deliberate reduction in voltage (for sense 1) or of firefighting (for sense 3) in multiple service areas at staggered times.
brownout - Computer Definition
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.