system clock system call • system command · · · Info · Definitions · Characters · · system clock · · Text Common · · Latin · · Scripts 12 · · Length 3 · · Syllables Definitions · · · (noun) a time-of-day clock in a computer system. Synonyms: system clock. · · Noun Definition 1 (noun) an electronic device in a computer that issues a steady high-frequency signal that synchronizes all the internal components. Synonyms: system clock. · · Noun Definition 2 Characters · · space U+0020 c latin small letter c U+0063 e latin small letter e U+0065 k latin small letter k U+006B l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074 y latin small letter y U+0079