Actions performed to keep some machine or system functioning or in service.

plural of maintenance

Misspelling of maintenance.

Retaining proper functionality over long periods of time with little or no maintenance. / (figuratively) Of a person: self-sufficient and not requiring much attention.

A prescheduled time when a system can be taken off-line for maintenance, if necessary.

(of a system) Requiring a high degree of maintenance to ensure proper functioning, and without which it is likely to break down.

manhole

plural of maintenance window

Not requiring any maintenance.

(humorous) The use of physical concussion, such as a knock or a tap, in an attempt to make a malfunctioning device work.