disk overhead disk operating system • disk pack · · · Info · Definitions · Synonyms · Characters · · disk overhead · · Text Common · · Latin · · Scripts 13 · · Length 4 · · Syllables Definitions · · · (noun) (computer science) the disk space required for information that is not data but is used for location and timing. Synonyms: disk overhead, overhead. · · Noun Definition 1 Synonyms · · · overhead · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 k latin small letter k U+006B o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 v latin small letter v U+0076