retrofit

Definitions

Cars & Driving

  • verb to equip a vehicle with new parts after manufacture

Computing

Construction

  • To modify an existing structure or system within the structure to accommodate upgrading.

Electronics

  • To add, modify, or substitute components, circuits, devices, or modules to an existing product, when such items were not available or otherwise provided when said product was originally built. Also, that which has been upgraded or otherwise modified by such additions or changes.
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