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subroutine

[suhb-roo-teen] /ˈsʌb ruˌtin/
noun, Computers.
1.
an instruction sequence in a machine or assembly language program that can be prewritten and referred to as often as needed.
Compare procedure (def 4a).
Origin
1945-1950
1945-50; sub- + routine
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for sub routine

subroutine

/ˈsʌbruːˌtiːn/
noun
1.
a section of a computer program that is stored only once but can be used when required at several different points in the program, thus saving space Also called procedure
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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