Operation vs. Maintenance — What's the Difference?

The act or process of operating or functioning.

The process of preserving a condition or situation or the state of being preserved

The state of being operative or functional

The provision of financial support for a person's living expenses, or the support so provided

A process or series of acts involved in a particular form of work

The offence of aiding a party in a legal action without lawful cause.

An instance or method of efficient, productive activity

The act of maintaining or the state of being maintained

An unethical or illegal business

The work of keeping something in proper condition; upkeep

(Medicine) A surgical procedure for remedying an injury, ailment, defect, or dysfunction.

Provision of support or livelihood

(Mathematics) A process or action, such as addition, substitution, transposition, or differentiation, performed in a specified sequence and in accordance with specific rules.

Means of support or livelihood

A logical operation.

(Law) The wrongful aiding of another in the pursuit or defense of a lawsuit, especially in jurisdictions where nonparties are legally prohibited to provide financial assistance.

(Computers) An action resulting from a single instruction.

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

A military or naval action, campaign, or mission.

(legal) A tort and (in some jurisdictions) an offence committed when a third party who does not have a bona fide interest in a lawsuit provides help or acquires an interest to a litigant's lawsuit.

Operations The headquarters or center from which a military action, flights into and out of an airfield, or other activities are controlled.

Alimony, a periodical payment or a lump sum made or ordered to be made to a spouse after a divorce.

Operations The division of an organization that carries out the major planning and operating functions.

(legal) Child support.

The method by which a device performs its function.

Money required or spent to provide for the needs of a person or a family.

The method or practice by which actions are done.

(biology) The natural process which keeps an organism alive.

The act or process of operating; agency; the exertion of power, physical, mechanical, or moral.

The act of maintaining; sustenance; support; defense; vindication.

A planned undertaking.

That which maintains or supports; means of sustenance; supply of necessaries and conveniences.

A business or organization.

An officious or unlawful intermeddling in a cause depending between others, by assisting either party with money or means to carry it on. See Champerty.

(medicine) A surgical procedure.

Those actions required for the care of machinery, a building, etc., to keep it clean and in proper functioning condition, and to prevent or forestall damage due to normal use.

A procedure for generating a value from one or more other values (the operands);
a function which maps zero or more (but typically two) operands to a single output value.

Payments, such as child support or alimony, to a dependent child not living with one or to a divorced wife.

(military) A military campaign (e.g. Operation Desert Storm)

Activity involved in maintaining something in good working order;

(obsolete) Effect produced; influence.

Means of maintenance of a family or group

The act or process of operating; agency; the exertion of power, physical, mechanical, or moral.

Court-ordered support paid by one spouse to another after they are separated

The method of working; mode of action.

The act of sustaining life by food or providing a means of subsistence;

That which is operated or accomplished; an effect brought about in accordance with a definite plan; as, military or naval operations.

Effect produced; influence.

Something to be done; some transformation to be made upon quantities or mathematical objects, the transformation being indicated either by rules or symbols.

Any methodical action of the hand, or of the hand with instruments, on the human body, to produce a curative or remedial effect, as in amputation, etc.

A business especially one run on a large scale;

A planned activity involving many people performing various actions;

A process or series of acts especially of a practical or mechanical nature involved in a particular form of work;

The state of being in effect or being operative;

A medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body;

Activity by a military or naval force (as a maneuver or campaign);

(computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction);

Process or manner of functioning or operating;

(mathematics) calculation by mathematical methods;

(psychology) the performance of some composite cognitive activity; an operation that affects mental contents;

The activity of operating something (a machine or business etc.);