simulation

[sim-yuh-ley-shuhn]
noun
1.
imitation or enactment, as of something anticipated or in testing.
2.
the act or process of pretending; feigning.
3.
an assumption or imitation of a particular appearance or form; counterfeit; sham.
4.
Psychiatry. a conscious attempt to feign some mental or physical disorder to escape punishment or to gain a desired objective.
5.
the representation of the behavior or characteristics of one system through the use of another system, especially a computer program designed for the purpose.

Origin:
1300–50; Middle English simulacion < Latin simulātiōn- (stem of simulātiō) a pretense. See simulate, -ion

nonsimulation, noun
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World English Dictionary
simulation (ˌsɪmjʊˈleɪʃən)
 
n
1.  the act or an instance of simulating
2.  the assumption of a false appearance or form
3.  a representation of a problem, situation, etc, in mathematical terms, esp using a computer
4.  maths, statistics, computing the construction of a mathematical model for some process, situation, etc, in order to estimate its characteristics or solve problems about it probabilistically in terms of the model
5.  psychiatry the conscious process of feigning illness in order to gain some particular end; malingering

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

simulation
mid-14c., "a false show, false profession," from O.Fr. simulation, from L. simulationem (nom. simulatio) "an imitating, feigning," noun of action from simulare "imitate," from stem of similis "like" (see similar).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

simulation sim·u·la·tion (sĭm'yə-lā'shən)
n.

  1. Close resemblance or imitation, as of one symptom or disease by another.

  2. Assumption of a false appearance.

  3. Reproduction or representation, as of a potential situation or in experimental testing.


sim'u·late' (-lāt') v.
sim'u·la'tor (-lā'tər) n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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FOLDOC
Computing Dictionary

simulation definition

simulation, system
Attempting to predict aspects of the behaviour of some system by creating an approximate (mathematical) model of it. This can be done by physical modelling, by writing a special-purpose computer program or using a more general simulation package, probably still aimed at a particular kind of simulation (e.g. structural engineering, fluid flow). Typical examples are aircraft flight simlators or electronic circuit simulators. A great many simulation languages exist, e.g. Simula.
See also emulation, Markov chain.
Usenet newsgroup: news:comp.simulation.
(1995-02-23)
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Encyclopedia Britannica
Encyclopedia

simulation

in industry, science, and education, a research or teaching technique that reproduces actual events and processes under test conditions. Developing a simulation is often a highly complex mathematical process. Initially a set of rules, relationships, and operating procedures are specified, along with other variables. The interaction of these phenomena create new situations, even new rules, which further evolve as the simulation proceeds. Simulation implements range from paper-and-pencil and board-game reproductions of situations to complex computer-aided interactive systems

Learn more about simulation with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
They're in the process of running a simulation with that factor included.
Experience in simulation in medical education is desirable.
Computer simulation of the process suggests, however, that several smaller
  moons may have formed at the same time.
Let the simulation continue for about three minutes.
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