iotacism


Also found in: Dictionary, Wikipedia.

i·o·ta·cism

(ī-ō'tă-sizm),
A speech defect marked by the frequent substitution of a long e sound (that of the Greek iota) for other vowels.
[G. iōta, the letter ι]

iotacism

(ī-ō′tă-sĭzm) [Gr. iota, letter i]
An abnormal speech pattern marked by the constant substitution of an ē sound (Greek iota) for other vowels.