subroutine

As a letter s

is the letter s with a.

As a noun subroutine is

(computer science) a section of code, called by the main body of a program, that implements a task.

As nouns the difference between subroutine and macro

is that subroutine is (computer science) a section of code, called by the main body of a program, that implements a task while macro is (programming|computing) a comparatively human-friendly abbreviation of complicated input to a computer program or macro can be (photography) macro lens.

As an adjective macro is

very large in scope or scale.

As nouns the difference between subroutine and subprogram

is that subroutine is (computer science) a section of code, called by the main body of a program, that implements a task while subprogram is (computing) a program contained within a larger program.

As nouns the difference between taxonomy and subroutine

is that taxonomy is the science or the technique used to make a classification while subroutine is (computer science) a section of code, called by the main body of a program, that implements a task.

Subroutine is a initialism of jsr.

As nouns the difference between subroutine and jsr

is that subroutine is (computer science) a section of code, called by the main body of a program, that implements a task while jsr is tamarisk.

Subprocedure is a synonym of subroutine.

In computer science terms the difference between subroutine and subprocedure

is that subroutine is a section of code, called by the main body of a program, that implements a task while subprocedure is a procedure that can be called by higher-level procedures as part of their operation.

As nouns the difference between subroutine and subsubroutine

is that subroutine is a section of code, called by the main body of a program, that implements a task while subsubroutine is a subroutine called from another subroutine.

As nouns the difference between subroutine and invoker

is that subroutine is (computer science) a section of code, called by the main body of a program, that implements a task while invoker is one who calls upon (a person, especially a god) for help, assistance or guidance.

Coroutine is a hyponym of subroutine.

As nouns the difference between subroutine and coroutine

is that subroutine is a section of code, called by the main body of a program, that implements a task while coroutine is a piece of code that performs a task, and that can be passed new input and return output more than once.