re-engineering
noun [ S or U ]
(also reengineering) ukus PRODUCTION
the process of changing and improving the design of a product or system:
GM expects productivity gains to come from a re-engineering that reduces the number of parts going into the car.
MANAGEMENT
the process of changing and improving the way a company works, the way a job is done, etc.:
They have applied these principles to a complex process of business re-engineering.