Definitions for "Trigraph"
Keywords:  diphthong, sch, vowel, syllable, adieu
Three letters united in pronunciation so as to have but one sound, or to form but one syllable, as -ieu in adieu; a triphthong.
In the C and C++ languages, a sequence of three characters, the first two of which are question marks. Before any other processing takes place, the trigraph is replaced by a corresponding single character. Trigraphs are used to represent characters that are reserved as control characters. See control character, digraph.
Sequence of three letters which represent a single phoneme. Example: for /ò/, sch in German.
Keywords:  trojan