Trigraph (orthography), Trigraphs
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Trigraph may refer to: *
Trigraph (orthography) A trigraph () is a group of three characters used to represent a single sound or a combination of sounds that does not correspond to the written letters combined. Latin-script trigraphs For example, in the word ''Austrian schilling, schilling'', ...
, a combination of written letters used to represent a sound


Computing

*
Digraphs and trigraphs (programming) 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 characters used to symbolise one character *An octal or decimal representation of
byte The byte is a unit of digital information that most commonly consists of eight bits. Historically, the byte was the number of bits used to encode a single character of text in a computer and for this reason it is the smallest addressable un ...
values *Mnemonics for
machine language In computer programming, machine code is computer code consisting of machine language instructions, which are used to control a computer's central processing unit (CPU). For conventional binary computers, machine code is the binaryOn nonb ...
instructions *As language codes in
ISO 639 ISO 639 is a international standard, standard by the International Organization for Standardization (ISO) concerned with representation of languages and language groups. It currently consists of four sets (1-3, 5) of code, named after each part w ...


Cryptography

*As substitution group in a
substitution cipher In cryptography, a substitution cipher is a method of encrypting in which units of plaintext are replaced with the ciphertext, in a defined manner, with the help of a key; the "units" may be single letters (the most common), pairs of letters, t ...
*As combinations in the Ling Qi Jing


Mathematics

*As a generalization of
graph Graph may refer to: Mathematics *Graph (discrete mathematics), a structure made of vertices and edges **Graph theory, the study of such graphs and their properties *Graph (topology), a topological space resembling a graph in the sense of discret ...
s where there is a set of edges called ''semi-adjacent''


See also

* Digraph (disambiguation) *
Tetragraph A tetragraph, , is a sequence of four letters used to represent a single sound (phoneme), or a combination of sounds, that do not necessarily correspond to the individual values of the letters. In German, for example, the tetragraph ''tsch'' repre ...
* Multigraph (disambiguation) {{Disambiguation