'Iotacism' definitions:

Definition of 'Iotacism'

From: GCIDE

Iotacism \I*o"ta*cism\ ([-i]*[=o]"t[.a]*s[i^]z'm), n. [Gr. 'iotakismo`s a laying too much stress upon the iota ([iota]): cf. F. iotacisme. See Iota.] The frequent use of the sound of iota (that of English e in be), as among the modern Greeks; also, confusion from sounding [epsilon], [iota], [eta], [upsilon], [epsilon][iota], etc., like [iota]. --Littr['e]. [1913 Webster] I O U