Trigraph may refer to:
Computing
*
Digraphs and trigraphs
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.
V ...
, 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 unit ...
values
*Mnemonics for
machine language
In computer programming, machine code is any low-level programming language, consisting of machine language instructions, which are used to control a computer's central processing unit (CPU). Each instruction causes the CPU to perform a very ...
instructions
*As language codes in
ISO 639
ISO 639 is a set of standards by the International Organization for Standardization that is concerned with representation of names for languages and language groups.
It was also the name of the original standard, approved in 1967 (as ''ISO 639/R ...
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, trip ...
*As combinations in the
Ling Qi Jing
''Lingqijing'' (or ''Ling Ch'i Ching''; 靈棋經 lit. "Classic of the Divine Chess") is a Chinese book of divination. It is not known when, nor by whom, it was written, though legend has it that the strategist Zhang Liang got it from Huang Shigon ...
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 discre ...
s where there is a set of edges called ''semi-adjacent''
Other uses
*
Trigraph (orthography) A trigraph (from the el, τρεῖς, ''treîs'', "three" and γράφω, ''gráphō'', "write") 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.
L ...
, a sound representation in orthography
See also
*
Digraph (disambiguation)
Digraph may refer to:
* (typography) Digraph (orthography), a pair of characters used together to represent a single sound, such as "sh" in English
* (Unicode) orthographic ligature, the joining of two letters as a single glyph, such as "æ"; cons ...
*
Tetragraph
A tetragraph (from the el, τετρα-, ''tetra-'', "four" and γράφω, ''gráphō'', "write") 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 indi ...
*
Multigraph (disambiguation)
{{Disambiguation