To run a processor (CPU), or any electronic logic device, at a speed higher than is recommended by the manufacturer.(verb)
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Use "overclock" in a sentence
"*** Disclaimer***: If you choose to overclock, that is your own choice."
"For that extra fifteen percent of investment the in game frame rate returns are generally around the two to three percent mark thanks to the very conservative core overclock, which is pretty disappointing."
"It's certainly useful to know when Turbo Boost is happening, and how much of an "overclock" the processor is achieving."