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overclock /oh'vr-klok'/ vt.
To operate a CPU or other digital logic device at a rate higher than it was designed for, under the assumption that the manufacturer put some [slop] into the specification to account for manufacturing tolerances. Overclocking something can result in intermittent [crash]es, and can even burn things out, since power dissipation is directly proportional to [clock] frequency. People who make a hobby of this are sometimes called "overclockers"; they are thrilled that they can run their 450MHz CPU at 500MHz, even though they can only tell the difference by running a [benchmark] program.
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