also black-out, 1908 in the theatrical sense of a darkened stage, from black + out. Figurative sense of "loss of memory" is 1934 (verb and noun); as a dousing of lights as an air raid precau [..]

The emergency loss of the source of electricity serving an area caused by failure of the generation, transmission, or distribution system

period during which electrical energy is unavailable due to system failure.

invisibility of light in wat-time, sudden cutting off of all stage-lights

To prevent allied bombers from easily finding their targets windows had to be blacked out so that no lights could be seen.

A complete loss of power resulting from damage or equipment failure in a power station, power lines or other parts of the power system. A blackout may also be referred to as a power outage or power failure. (See High-current transients, Reactive power, Wide-Area Monitoring Systems.)

Also referred to as black patch; a piece of masking material which is used in layout to mask an area leaving a window into which another element can be stripped.

n. a complete loss of consciousness which may be accompanied by a memory lapse and loss of cognition upon revival. It may be caused by a sudden drop in oxygen and blood supply to the brain. It can als [..]

Loss of consciousness resulting from physiological changes that lowers the supply of oxygen to the brain. It is also amnesia caused by alcohol.

A blackout is when vision and consciousness are temporarily lost due to a decrease in oxygen supply to the brain. It is essentially fainting. A blackout can also refer to a period of lost time and amn [..]

The total loss of electrical power.

The loss of power to a portion of the distribution or transmission system.

A sudden loss of AC line power usually as a result of an overload or other power failure.

Sudden disruption of electrical power.  

A specially formulated paint or coating for use on electric signs to block light emission where needed, for example between letters in a neon sign. It adheres well to glass, and resists weather, heat [..]

(n) a suspension of radio or tv broadcasting(n) darkness resulting from the extinction of lights (as in a city invisible to enemy aircraft)(n) the failure of electric power for a general region(n) a m [..]

1. Short-term loss of vision and consciousness. 2. In an alcoholic person, loss of memory for a period of time.

An episode of temporary memory loss resulting from the ingestion of alcohol or other drugs.

 - The complete interrupting of load to an electric utility customer or group of customers.

The total loss of electric power supplied by the electric company.

Complete loss of electric service in a given area. A system operator

Total loss of electric power from the power distributor.

A total power failure over a large area; usually caused by the failure of major generating equipment or transmission facilities.

A total loss of power over an area; usually caused by the failure of electrical equipment on the power system.

The disconnection of a generating resource serving an area brought about by an emergency forced outage or other fault in the generation, transmission or distribution system.  The technical term is “circuit interruption.” Blackouts are normally considered involuntary events.  See also “brownout.”

A total loss of commercial power.

A temporary loss of electricity in an area because of failure of generation or transmission equipment.

Period of darkness due to electric power failure.

Sudden or unexpected disruption of electrical power.

 A complete loss of power lasting for more than one cycle. A blackout can damage electronics, corrupt or destroy data, or cause a system shutdown. Blackouts can result from any of a number of problems, ranging from acts of God (hurricanes or other high winds, ice storms, lightning, trees falling on power lines, floods, geomagnetic storms triggered [..]

A temporary loss of electricity in an area because of the failure of generation or transmission equipment.

A power outage (also power cut, blackout or power failure) is a short- or long-term loss of the electric power to an area. In other words, the lights go out at homes and businesses in the impacted are [..]

Total power failure over a large area, often caused by the malfunction of generating equipment or transmission facilities.

A common stage direction at the end of a scene or an act.

A timeout arranged by turning off all lights in the chamber.

Term used to describe the non-broadcast of a live event (e.g., sports, cultural) usually imposed by the sponsor(s) of the event (e.g., NFL).

A loss of vision /or consciousness/ due to pulling too many positive Gs.

In order to be declared the winner in this game, the player must cover every space on the bingo ticket. It’s also referred to as “coverall.”

An AC power failure lasting anywhere from a few cycles to several hours or even days in duration.

Also referred to as black patch; a piece of masking material which is used in layout to mask an area leaving a window into which another element can be stripped.

A temporary loss of radio communications which occurs between a spacecraft reentering the atmosphere and ground stations due to an ionized sheath of plasma which develops around the vehicle.

A condition in which frequency for the entire ERCOT System has dropped to zero and Generation Resources are no longer serving Load. Partial Blackout A condition in which an uncontrolled separation of a portion of the ERCOT System occurs and frequency for that portion has dropped to zero and Generation Resources within that portion are no longer ser [..]

The failure of generation, transmission or distribution systems resulting in complete loss of electrical voltages to some or all customers.

Also referred to as black patch; a piece of masking material which is used in layout to mask an area leaving a window into which another element can be stripped.

A total loss of the commercial electrical power lasting for more than one cycle. Blackouts can result from any of a number of problems, ranging from Acts of God (high winds, storms, lightning, falling trees, floods, etc.) to situations such as cables being cut during excavation, equipment failures at the utility, vandalism, corrosion, etc. Used syn [..]