Hypertext Webster Gateway: "operation"

From Webster's Revised Unabridged Dictionary (1913) (web1913)

Operation \Op`er*a"tion\, n. [L. operatio: cf. F. op['e]ration.]
1. The act or process of operating; agency; the exertion of
power, physical, mechanical, or moral.

The pain and sickness caused by manna are the
effects of its operation on the stomach. --Locke.

Speculative painting, without the assistance of
manual operation, can never attain to perfection.

2. The method of working; mode of action.

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

4. Effect produced; influence. [Obs.]

The bards . . . had great operation on the vulgar.

5. (Math.) Something to be done; some transformation to be
made upon quantities, the transformation being indicated
either by rules or symbols.

6. (Surg.) 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.

{Calculus of operations}. See under {Calculus}.

From WordNet (r) 1.7 (wn)

n 1: a business especially one run on a large scale: "a
large-scale farming operation"; "a multinational
operation"; they paid taxes on every stage of the
operation"; "they had to consolidate their operations"
2: a planned activity involving many people performing various
actions: "they organized a rescue operation"; "the biggest
police operation in French history"; "running a restaurant
is quite an operation"; "consolidate the companies various
3: a process or series of acts especially of a practical or
mechanical nature involved in a particular form of work:
"the operations in building a house"; "certain machine
tool operations" [syn: {procedure}]
4: the state of being in effect or being operative; "that rule
is no longer in operation"
5: a therapeutic procedure with instruments to repair damage or
arrest disease in a living body; "they will schedule the
operation as soon as an operating room is available"; "he
died while undergoing surgery" [syn: {surgery}, {surgical
operation}, {surgical procedure}, {surgical process}]
6: a military or naval action (as a maneuver or campaign); "it
was a joint operation of the navy and air force" [syn: {military
7: (computer science) data processing in which the result is
completely specified by a rule (especially the processing
that results from a single instruction); "it can perform
millions of operations per second"
8: process or manner of functioning or operating; "the power of
its engine determine its operation"; "the plane's
operation in high winds"; "they compared the cooking
performance of each oven"; "the jet's performance
conformed to high standards" [syn: {functioning}, {performance}]
9: calculation by mathematical methods; "the problems at the
end of the chapter demonstrated the mathematical processes
involved in the derivation"; "they were learning the basic
operations of arithmetic" [syn: {mathematical process}, {mathematical
10: the performance of some composite cognitive activity; an
operation that affects mental contents; "the process of
thinking"; "the act of remembering" [syn: {process}, {cognitive
process}, {cognitive operation}, {act}]

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