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Webster 1913 Edition
Iotacism
I-o′ta-cism
(ī̍-ō′tȧ-sĭz’m)
, Noun.
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.