Definition of simulation noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˌsɪmjuˈleɪʃn//
    ; NAmE NAmE//ˌsɪmjuˈleɪʃn//
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  1. 1[countable, uncountable] a situation in which a particular set of conditions is created artificially in order to study or experience something that could exist in reality a computer simulation of how the planet functions a simulation model An important part of training is role-play and the simulation of court cases.
  2. 2[uncountable] the act of pretending that something is real when it is not the simulation of genuine concern
  3. Extra examples Simulation models are used to predict earthquake patterns. The pilot’s skills are tested through simulation. To test the model under different conditions, it is necessary to run simulations on a computer. a virtual reality simulation of a moon landing the basic steps in the simulation
See the Oxford Advanced American Dictionary entry: simulation