1. the pronunciation of other vowel sounds as the vowel sound /i/
Usage: linguistics
2. excessive use of the letter iota or the sound it represents
Usage: linguistics

Examples

• Iotacism was a common phonetic change in later Greek pronunciation.
• The linguist studied iotacism in ancient Greek dialects.
• Modern Greek shows evidence of historical iotacism in its vowel system.
• The scholar’s paper examined iotacism in Byzantine manuscripts.
• Iotacism affected the spelling of many Greek words over time.
• The pronunciation guide noted instances of iotacism in the text.