Words similar to add-on

Example sentences for: add-on

How can you use “add-on” in a sentence? Here are some example sentences to help you improve your vocabulary:

Institution of a $5 add-on to continuing legal education fees to increase funding for legal services by $10 million;
Most of the "size" of the Windows basic installation software are details for add-on services to the OS, many of which go unused.
But does the new network add-on violate the old principle?
0.21 lb/MWh (9 ppm at 15 percent oxygen), if the unit is not a simple cycle turbineand neither uses add-on controls nor is located within 50 km of a class I area.
0.289 lb/MWh (12 ppm at 15 percent oxygen), if the unit is not a simplecycle combustion turbine, is dual-fuel capable, and uses add-on controls; or is not a simple cycle combustion turbine and is located within 50 km of a class I area;