iota

Definition of Iota in English :

a tiny or scarcely detectable amount

2. iota

the 9th letter of the Greek alphabet

WordNet Lexical Database for English. Princeton University. 2010.

Iota

noun

1.

the ninth letter in the Greek alphabet (Ι, ι), a vowel or semivowel, transliterated as i or j

2. (usually used with a negative)

a very small amount; jot (esp in the phrase not one or an iota)

noun

1.

the ninth letter of the Greek alphabet (Ι, ι)

2.

a very small quantity; jot

n.

1. The ninth letter of the Greek alphabet. See Table at alphabet.

2. A very small amount; a bit: not an iota of truth to that tale.