Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun iota
2 senses of iota
Sense 1
shred, scintilla, whit, iota, tittle, smidgen, smidgeon, smidgin, smidge -- (a tiny or scarcely detectable amount)
=> small indefinite quantity, small indefinite amount -- (an indefinite quantity that is below average size or magnitude)
Sense 2
iota -- (the 9th letter of the Greek alphabet)
=> letter, letter of the alphabet, alphabetic character -- (the conventional characters of the alphabet used to represent speech; "his grandmother taught him his letters")