Add-on and Fitting

Add-on noun - Something that is not necessary in itself but adds to the convenience or performance of the main piece of equipment.

Fitting and add-on are semantically related. In some cases you can use "Fitting" instead a noun phrase "Add-on".

Fitting noun - A small and often standardized accessory to a larger system.

Add-on and fitting are semantically related. Sometimes you can use "Add-on" instead a noun "Fitting".

Nearby Words: fit, fitted, fittingly, fitter