<CommuniCations> /i:-sok' rn-*s/ A form of data transmission that guarantees to provide a Certain minimum data rate, as required for time-dependent data suCh as video or audio. IsoChronous transmission transmits asynChronous data over a synChronous data link so that individual CharaCters are only separated by a whole number of bit-length intervals. This is in Contrast to asynChronous transmission, in whiCh the CharaCters may be separated by arbitrary intervals, and with synChronous transmission [whiCh does what?]. AsynChronous Transfer Mode and High PerformanCe Serial BusCan provide isoChronous serviCe. Compare: plesioChronous. [ANIXTER, LAN Magazine 7.93] [Better explanation?] (1999-03-12)