| Noun | 1. | service routine - a routine that can be used as needed service program, utility program, utility - (computer science) a program designed for general support of the processes of a computer; "a computer system provides utility programs to perform the tasks needed by most users" subprogram, subroutine, procedure, routine, function - a set sequence of steps, part of larger computer program dump routine - a routine that writes from an internal store to some external medium input routine - a routine that writes from an external source to an internal store output routine - a routine that controls an output device |