[ trahy-graf, -grahf ]
/ ˈtraɪ græf, -grɑf /
a group of three letters representing a single speech sound, as eau in beau.
Related formstri·graph·ic [trahy-graf-ik] /traɪˈgræf ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for trigraph
Trigraph, trī′graf, n. a combination of three letters sounded as one, a triphthong.
British Dictionary definitions for trigraph
/ (ˈtraɪˌɡrɑːf, -ˌɡræf) /
a combination of three letters used to represent a single speech sound or phoneme, such as eau in French beau
Derived Formstrigraphic (traɪˈɡræfɪk), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012