sim·u·la·tion 
/ˌsɪmjəˈleɪʃən/ noun
plural sim·u·la·tions /ˌsɪmjəˈleɪʃən/ noun : something that is made to look, feel, or behave like something else especially so that it can be studied or used to train people [count] — often + of
▪ a computer simulation of spaceflight ▪ simulations of body movements ▪ a simulation of the planet's surface [noncount] ▪ They use computer simulation to predict weather conditions.
▪ a computer simulation of spaceflight ▪ simulations of body movements ▪ a simulation of the planet's surface [noncount] ▪ They use computer simulation to predict weather conditions.
