Definify.com
Webster 1913 Edition
Iota
1.
The ninth letter of the Greek alphabet (ι) corresponding with the English i.
They never depart an
iota
from the authentic formulas of tyranny and usurpation. Burke.
Iota subscript
(Gr. Gram.)
, iota written beneath a preceding vowel, as
α,
, η,
, ω,
, – done when iota is silent.