reworkre·work /ˌriːˈwɜːk-ˈwɜːrk/ verb [transitiveT]1to make changes to something so that it can be used again or is more suitable for a particular useThe reworked commercial was much more successful than the original one.
2MANUFACTURING to correct mistakes or faults in something10% of the engines had to be reworked when they came off the production line.
3to do a calculation againThe first-half figures had been reworked.
—rework noun [countableC, uncountableU]The manufacturer will pay the costs of rework.
—reworking noun [countableC, uncountableU]The proposals were sent back for reworking.