n. [ L., fr. Gr. 'iw^ta. See Jot. ] [ 1913 Webster ]
1. The ninth letter of the Greek alphabet (ι) corresponding with the English i. [ 1913 Webster ]
2. [ from iota being the smallest letter in the Greek alphabet. ] A very small quantity or degree; a jot; a particle. [ 1913 Webster +PJC ]
They never depart an iota from the authentic formulas of tyranny and usurpation. Burke. [ 1913 Webster ]
Iota subscript (Gr. Gram.), iota written beneath a preceding vowel, as a, , h, , w, , -- done when iota is silent. [ 1913 Webster ]