[meyn-tuh-nuh ns] /ˈmeɪn tə nəns/

the act of :
the maintenance of proper oral hygiene.
the state of being :
the maintenance of friendly relations with England.
care or upkeep, as of machinery or property:
With proper maintenance the car will last for many years.
means of upkeep, support, or subsistence; livelihood:
to provide a comfortable maintenance.
alimony or child support.
Law. an officious meddling in a suit in which the meddler has no interest, by assisting either party with means to prosecute or defend it.
Pharmacology, Psychiatry. administered to sustain a desired physiological or mental condition:
maintenance dose.
the act of maintaining or the state of being maintained
a means of support; livelihood
(modifier) of or relating to the maintaining of buildings, machinery, etc: maintenance man
(law) (formerly unlawful) the interference in a legal action by a person having no interest in it, as by providing funds to continue the action See also champerty
(law) a provision ordered to be made by way of periodical payments or a lump sum, as after a divorce for a spouse


mid-14c., “bearing, deportment,” from Old French maintenance “upkeep; shelter, protection,: from maintenir (see maintain). Meaning “action of upholding or keeping in being” is from early 15c. “Action of providing a person with the necessities of life” is from late 14c.

maintenance main·te·nance (mān’tə-nəns)
The extent to which a patient continues good health practices without professional supervision, as distinguished from adherence or compliance.

The modification of a software product, after delivery, to correct faults, to improve performance or other attributes, or to adapt the product to a changed environment.
Maintenance is an important part of the software life-cycle. It is expensive in manpower and resources, and one of the aims of software engineering is to reduce its cost.


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  • Maintenance-and-cure

    noun, Law. 1. the right of an injured sailor to support and medical treatment.

  • Maintenance drug therapy

    maintenance drug therapy n. In chemotherapy, the systematic reduction of the dosage of a drug to a level that maintains protection against exacerbation of the condition.

  • Maintenance-free

    [meyn-tuh-nuh ns-free] /ˈmeɪn tə nənsˌfri/ adjective 1. requiring little or no maintenance: a maintenance-free swimming pool.

  • Maintenance-of-membership

    noun 1. an arrangement or agreement between an employer and a labor union by which employees who are members of the union at the time the agreement is made, or who subsequently join, must either remain members until the agreement expires, or be discharged.

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