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(Phonetics & Phonology) (sometimes capital) phonetics the voiceless palatal fricative sound that is written as ch in German ich, often allophonic with the ach-laut. See also ach-laut
[from German, from ich I + Laut sound]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014