I*o"ta*cism (&isl;*ō"t&adot;*s&ibreve;z'm), n. [Gr. 'iotakismo`s a laying too much stress upon the iota (ι): 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 ε, ι, η, υ, ει, etc., like ι. Littré.