Digraph, often misspelled as diagraph, may refer to: *

Digraph (orthography) A digraph () or digram is a pair of character (symbol), characters used in the orthography of a language to write either a single phoneme (distinct sound), or a sequence of phonemes that does not correspond to the normal values of the two char ...

, a pair of characters used together to represent a single sound, such as "nq" in Hmong RPA *

Ligature (writing) In writing and typography, a ligature occurs where two or more graphemes or letters are joined to form a single glyph. Examples are the characters and used in English and French, in which the letters and are joined for the first ligature a ...

, the joining of two letters as a single glyph, such as "æ" *

Digraph (computing) In computer programming, digraphs and trigraphs are sequences of two and three characters, respectively, that appear in source code and, according to a programming language's specification, should be treated as if they were single characters. ...

, a group of two characters in computer source code to be treated as a single character * A directed graph, in graph theory * Digraph, a component of a CIA cryptonym, a covert code name * Digraph, a two-letter

ISO 639-1 ISO 639-1:2002, ''Codes for the representation of names of languages—Part 1: Alpha-2 code'', is the first part of the ISO 639 series of international standards for language codes. Part 1 covers the registration of "set 1" two-letter codes. The ...

language code

See also