1. a machine or computer program that reproduces the conditions of a particular situation or process for training or testing purposes

Examples

• The pilot trained on a flight simulator before flying the real aircraft.
• The driving simulator helps new drivers practice in a safe environment.
• Medical students use patient simulators to learn surgical procedures.
• The weather simulator can recreate hurricane conditions for research.
• Video game racing simulators provide realistic driving experiences.
• The earthquake simulator shook the building model to test its stability.
• Astronauts train in space simulators before going on missions.