simulation

noun

sim·​u·​la·​tion ˌsim-yə-ˈlā-shən How to pronounce simulation (audio)
1
: the act or process of simulating
2
: a sham object : counterfeit
3
a
: the imitative representation of the functioning of one system or process by means of the functioning of another
a computer simulation of an industrial process
b
: examination of a problem often not subject to direct experimentation by means of a simulating device

Examples of simulation in a Sentence

a computer simulation of spaceflight a simulation of the planet's surface They use computer simulation to predict weather conditions.
Recent Examples on the Web And climate model simulations show that warmer temperatures increase the risk of intense storms. Will Sullivan, Smithsonian Magazine, 6 Feb. 2024 The researchers started by synthesizing a material from monolayers of the semiconductors molybdenum diselenide and tungsten disulfide, which belong to a class of materials that past simulations had implied could exhibit Nagaoka-style magnetism. Michael Greshko, WIRED, 28 Jan. 2024 But in computer simulations of smaller-scale structures, this model of dark matter breaks; in dwarf galaxies, for instance, such dark matter should result in higher central concentrations of stars than are actually observed. Dennis Overbye, New York Times, 26 Jan. 2024 Nielsen’s simulations are theoretical, but some recent observations support his findings. Rebecca Boyle, Quanta Magazine, 24 Jan. 2024 To fully understand how patterns arise in living organisms, researchers will have to move beyond simulations and investigate those organisms directly — a biological context that may be far more complicated. Cody Cottier, Discover Magazine, 8 Jan. 2024 Each simulation included an untrained participant who portrayed a bystander, a box of naloxone delivered by drone, a mannequin as the overdose victim, and a panicked observer. Nicole Adams, The Conversation, 22 Jan. 2024 These simulations helped establish her baseline states, from stress and surprise to boredom and fatigue. D. T. Max, The New Yorker, 21 Jan. 2024 Political pros consider those simulations far-fetched. Doyle McManus, The Mercury News, 12 Jan. 2024 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'simulation.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Middle English simulacioun "insincerity, pretense, deceit," borrowed from Anglo-French simulacion, borrowed from Latin simulātiōn-, simulātiō "act of copying, putting on an appearance, pretense," from simulāre, similāre "to pretend, assume the appearance of by one's conduct, produce a fraudulent imitation of, imitate" + -tiōn-, -tiō, suffix of verbal action — more at simulate

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of simulation was in the 14th century

Dictionary Entries Near simulation

Cite this Entry

“Simulation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/simulation. Accessed 20 Feb. 2024.

Kids Definition

simulation

noun
sim·​u·​la·​tion ˌsim-yə-ˈlā-shən How to pronounce simulation (audio)
1
: the act or process of simulating
2
: an object that is not genuine
3
: the imitation by one system or process of the way in which another system or process works
a computer simulation of spaceflight

Legal Definition

simulation

noun
sim·​u·​la·​tion ˌsim-yə-ˈlā-shən How to pronounce simulation (audio)
1
in the civil law of Louisiana
2
: the act of simulating
3
: a contract that by mutual agreement does not express the true intent of the parties see also counterletter compare disguised donation at donation

Note: Although a simulation does not have effect as between the parties, its lack of effect may not be asserted against third parties, such as creditors or bona fide purchasers, to avoid liability.

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