1952, from down (adv.) + time (n.).

The total time a system is out of service.

Downtime refers to that period when a system is unavailable.  Typically applied to servers, websites or equipment, downtime may occur for scheduled maintenance or as a result of unplanned outages.  Se [..]

1. A temporary interruption in the usability of a computer system.2. A work stoppage caused by the temporary lack of usability of acomputer system.

The time interval during which equipment is nonfunctional.

The interval during which a functional unit is inoperable.

Any time that a machine is not operating when it should be. The downtime can be caused by the need for tool setup, machine maintenance, or other reasons.

Downtime refers to periods of time during which a computer system, server or network is shut off or unavailable for use. Systems go through periods of downtime for a variety of reasons, including powe [..]

Duration of an unscheduled stoppage of machines or equipment (printing presses, papermaking machines, typesetting equipment, etc.), usually caused by malfunction.

A period during which a vehicle or a whole system is inoperative because of repairs or maintenance.

the time that an item of equipment is out of service, as a result of equipment failure

Time when a system is not producing product. Downtime includes scheduled and unscheduled downtime.

According to 22 CFR 33.2 [Title 22; Foreign Relations; Chapter I; Department of state; Subchapter D; Claims and Stolen Property; Part 33; Fishermen's Protective Act Guaranty Fund Procedures under [..]

Length of time a Web server is offline or unable to connect to the Internet.

(n) a period of time when something (as a machine or factory) is not operating (especially as a result of malfunctions)

the amount of time a computer is shut down for repair or maintenance. It's often used as an inverse measure of availability or reliability for servers -- the less downtime, the better. See uptime [..]

Time when the photovoltaic system cannot provide power for the load. Usually expressed in hours per year or that percentage.

Downtime occurs when a paper machine is stopped for repairs. Shutting down a paper machine for vacation or normal maintenance is referred to as scheduled downtime.

The total time during which a telephone or data system is not working due to some software or hardware failure.

  The amount of time a system is down in a given period. This will include crashes and system problems as well as scheduled maintenance work. Obviously, downtime impacts upon system availability, and most IT departments will maintain a downtime log to record when, and why, the system was not available to users. This log should be reviewed at interv [..]

Downtime means that a system or service is not working at a given time. The term is usually used in discussions about the provision of information technology systems or services. Downtime is also know [..]

n. The time that a player spends doing nothing while waiting for other players to complete their turns. (See also player interaction

Period during which the game is unavailable due to maintenance.

The time between adventures, when the PCs get a chance to rest, heal, train and resupply.

time when computer is unavailable.

The time during which offshore operations cannot be continued owing to adverse weather conditions, mechanical or other factors

A period of time in which a robot, or production line is shut down due to malfunction or failure. See Uptime.