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Brownout vs. Blackout — What's the Difference?

Brownout vs. Blackout — What's the Difference?

Difference Between Brownout and Blackout

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Brownout

A reduction in or restriction on the availability of electrical power in a particular area
The cities are experiencing brownouts as air conditioners are switched into overdrive

Blackout

A period when all lights must be turned out or covered to prevent them being seen by the enemy during an air raid
She peered out through the blackout curtains
People found it difficult to travel in the blackout

Brownout

A reduction or cutback in electric power, especially as a result of a shortage, a mechanical failure, or overuse by consumers.

Blackout

A temporary loss of consciousness
She was suffering from blackouts

Brownout

A period of low alternating current line voltage, causing a reduction in illumination
When demand for electricity exceeds the available supply, a brownout occurs.
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Blackout

A cutoff of electric power, especially as a result of a shortage, a mechanical failure, or overuse by consumers.

Brownout

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.

Blackout

The concealment or extinguishment of lights that might be visible to enemy aircraft during an air raid.

Brownout

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.

Blackout

The sudden extinguishment of all stage lights in a theater to indicate the passage of time or to mark the end of an act or scene.

Brownout

A power outage during the day; distinguished from a blackout, which occurs at night

Blackout

A short, comic vaudeville skit that ends with lights off.

Brownout

A blackout, regardless of time of day.

Blackout

A temporary loss of memory or consciousness.

Brownout

Darkness resulting from the extinction of lights (as in a city invisible to enemy aircraft).

Blackout

A suppression, as of news, by censorship.

Brownout

A partial reduction in the amount of electric power available to customers in a region, such as by reduction of voltage or selective cutoff of certain customers; - it occurs for example in summer when the demand for electricity for air-conditioning exceeds the supply, or when power to certain customers is cut off by a severe storm. It is contrasted with blackout, which is the total loss of electrical power in a region.

Blackout

A suppression of the broadcast of an event or program, as to support ticket sales at a local venue.

Brownout

Darkness resulting from the extinction of lights (as in a city invisible to enemy aircraft)

Blackout

A suspension of a discounted price or free offer, as for an airline ticket or a lift ticket at a ski resort.

Blackout

A temporary loss of consciousness.

Blackout

A temporary loss of memory.

Blackout

An instance of censorship, especially a temporary one.
Media blackout
The 2012 English Wikipedia blackout

Blackout

A large-scale power failure, and resulting loss of electricity to consumers.

Blackout

(historical) The mandatory blocking of all light emanating from buildings, as well as outdoor and street lighting as a measure against aerial bombing or naval attack, as imposed during, e.g., World War II.

Blackout

(attributive) The blocking out of as much light as possible.
Blackout blinds; blackout curtains

Blackout

(nonstandard) black out

Blackout

A suspension of radio or tv broadcasting.

Blackout

Any darkness resulting from the extinction of lights.

Blackout

The failure of electric power for a general region sufficient to extinguish all normal lighting.

Blackout

A momentary loss of consciousness.

Blackout

Partial or total loss of memory.

Blackout

A period during which artificial lighting is forbidden, as in a city as a precaution against an air raid.

Blackout

The darkening of all stage lights, as at then end of a performance or between acts.

Blackout

Suppression of information distribution; as, there was a blackout on news from the military for the first day of the Gulf War.

Blackout

The prohibition of the broadcasting of a sports event, such as a boxing match or football game, sometimes confined to one particular area. It is usually done to encourage sales of tickets to the event.

Blackout

A suspension of radio or tv broadcasting

Blackout

Darkness resulting from the extinction of lights (as in a city invisible to enemy aircraft)

Blackout

The failure of electric power for a general region

Blackout

A momentary loss of consciousness

Blackout

Partial or total loss of memory;
He has a total blackout for events of the evening

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