Definition of iota in English:

iota

Syllabification: i·o·ta
Pronunciation: /īˈōtə
 
/

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
[iota being the smallest letter of the Greek alphabet. Compare with jot]
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, speck, mite, scrap, shred, ounce, scintilla, atom, jot, grain, whit, trace
informal smidgen, smidge, tad
archaic scruple

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Pronunciation: grəˈmɛːrɪən
noun
a person who studies and writes about grammar