Noun
The act or process of operating; agency; the exertion of power, physical, mechanical, or moral.
The method of working; mode of action.
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, 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.
Source: Webster's dictionaryAlcohol is the anesthesia by which we endure the operation of life. George Bernard Shaw
Constant attention by a good nurse may be just as important as a major operation by a surgeon. Dag Hammarskjöld
My suggestion is that at each state the proper order of operation of the mind requires an overall grasp of what is generally known, not only in formal logical, mathematical terms, but also intuitively, in images, feelings, poetic usage of language, etc. David Bohm
Necessity is the most powerful divinity the world knows--it is the result of physical forces set in operation by ethical forces. José Rizal
Is the proposed operation likely to succeed? What might be the consequences of failure? Is it in the realm of practicability in terms of matériel and supplies? Chester W. Nimitz
I don't believe in an America where the separation of church and state is absolute. The idea that the church can have no influence or no involvement in the operation of the state is absolutely antithetical to the objectives and vision of our country. Rick Santorum