overclock

[ oh-ver-klok ]

Phonetic (Standard)IPA

verb (used with object)

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.

1985–90; over- + clock ¹ (in the sense “a circuit that governs the speed of other circuits”)

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