reconstruction

noun | re·con·struc·tion

1. : a rebuilding of a nonfunctional patented article that amounts to creation of a new article and constitutes infringement of the patent the complete replacement of the mechanism was a reconstruction and not a repair

2. : the practice or process of recreating an incident (as an accident) for the purpose of investigating the specific facts and circumstances surrounding it heard testimony on the speed of the vehicle from an expert in accident reconstruction