Dictionary > Operation

Operation

operation
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. (Dryden)
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. The bards . . . Had great operation on the vulgar. (Fuller)
5. (Science: mathematics) Something to be done; some transformation to be made upon quantities, the transformation being indicated either by rules or symbols.
6. (Science: surgery) 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 Calculus.
Origin: L. Operatio: cf. F. Operation.


You will also like...

Geological Periods
Geological Periods

Geological periods is a study guide that cites the different geological periods on Earth's timeline. Each has a brief ov..

Population Regulation in an Ecosystem
Population Regulation in an Ecosystem

With regard to the population size of a species and what factors may affect them, two factors have been defined. They ar..

Biological Cell schematic diagram
Biological Cell Introduction

It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..

"Cronopio dentiacutus", a prehistoric mammal (an illustration)
Mammalian Ancestors

Mammals are a diverse group of organisms, where most of them develop their offspring within the uterus of the mother. Ov..

An artist depiction of a Precambrian multicellular life form.
The Evolution of Cell Organelles

The nucleus containing the genetic material, DNA, and the mitochondria, well-identified as the "powerhouse of the cell",..

takahē
Takahē (Porphyrio hochstetteri)

Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matte..