ALL meanings of overclock
o·ver·clock
O o - verb with object overclock Computers. to modify (a hardware component, as a processor, graphics card, or memory) so as to increase the speed of that component beyond the specifications of the manufacturer: You can overclock your video card to improve its performance. 1
- noun overclock To run a processor (CPU), or any electronic logic device, at a speed higher than is recommended by the manufacturer. 1