supercharge

Meanings

1. To increase the power of an internal combustion engine (either Otto or Diesel cycle) by compressing the inlet air with power extracted from the crankshaft.
2. To make faster or more powerful.
3. To recharge a battery cell/pack at an extremely rapid pace.

1. A charge borne upon an ordinary or other charge.
2. An instance of supercharging.

Etymology

From super- + charge.