Sub is a common abbreviation of words beginning with the

prefix A prefix is an affix which is placed before the stem of a word. Adding it to the beginning of one word changes it into another word. For example, when the prefix ''un-'' is added to the word ''happy'', it creates the word ''unhappy''. Particu ...

"sub-". Sub or SUB may also refer to

Places

Juanda International Airport Juanda International Airport (JIA) ( id, Bandar Udara Internasional Juanda) , is an international airport located in Sedati, Sidoarjo. It is now the third busiest airport in Indonesia (after Soekarno-Hatta and Ngurah Rai airport). This ai ...

, Surabaya, Indonesia, IATA code SUB

Computing and technology

* , an HTML tag for

subscript A subscript or superscript is a character (such as a number or letter) that is set slightly below or above the normal line of type, respectively. It is usually smaller than the rest of the text. Subscripts appear at or below the baseline, whil ...

* SUB designates a

subroutine In computer programming, a function or subroutine is a sequence of program instructions that performs a specific task, packaged as a unit. This unit can then be used in programs wherever that particular task should be performed. Functions ma ...

in some programming languages * SUB,

substitute character In computer data, a substitute character (␚) is a control character that is used to pad transmitted data in order to send it in blocks of fixed size, or to stand in place of a character that is recognized to be invalid, erroneous or unrepres ...

, ASCII character 26 * SUB,

subtraction Subtraction is an arithmetic operation that represents the operation of removing objects from a collection. Subtraction is signified by the minus sign, . For example, in the adjacent picture, there are peaches—meaning 5 peaches with 2 taken ...

processor command *

.sub (disambiguation) .sub may refer to a computer file having ''.sub'' extension. A ''.sub'' file can be: * MicroDVD Subtitle File, a file that contains subtitle (captioning) data for a movie or video clip * Subchannel Data File, a file that can be a part of CloneCD ima ...

, several file extensions *

Subeditor Copy editing (also known as copyediting and manuscript editing) is the process of revising written materia