Definition of iota in English:

iota

Line breaks: iota
Pronunciation: /ʌɪˈəʊtə
 
/

noun

1The ninth letter of the Greek alphabet (Ι, ι), transliterated as ‘i’.
1.1 (Iota) [followed by Latin genitive] Astronomy The ninth star in a constellation: Iota Piscium
2 [in singular, usually with negative] An extremely small amount: nothing she said seemed to make an iota of difference
More example sentences
  • I don't believe home advantage makes an iota of difference anymore in Gaelic football.
  • I say this next bit without an iota of hyperbole.
  • Much to her credit, no amount of upbraiding or name-calling has moved her an iota.
Synonyms
bit, mite, speck, scrap, shred, ounce, scintilla, atom, jot, tittle, jot or tittle, whit, little bit, tiniest bit, particle, fraction, morsel, grain; Frenchsoupçon
informal smidgen, smidge, tad
archaic scruple, scantling

Origin

from Greek iōta. sense 2 arose because iota is the smallest letter of the Greek alphabet: compare with jot.

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