Iota definition | Dictionary.com

i⋅o⋅ta

[ahy-oh-tuh]

–noun

1.	a very small quantity; jot; whit.

2.	the ninth letter of the Greek alphabet (I, ι).

3.	the vowel sound represented by this letter.

Origin:
1600–10; < L iōta < Gk iôta < Sem; cf. Heb yōdh yod

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
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i·o·ta (ī-ō'tə) Pronunciation Key
n.

The ninth letter of the Greek alphabet. See Table at alphabet.
A very small amount; a bit: not an iota of truth to that tale.

[Latin iōta, from Greek, of Phoenician origin; see yd in Semitic roots.]

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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iota

1636, figurative use of iota, ninth and smallest letter in the Gk. alphabet, after Matt. v:18 (see jot). The letter name is from Heb. yodh.

Online Etymology Dictionary, © 2001 Douglas Harper
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iota
noun
1.	a tiny or scarcely detectable amount [syn: shred]
2.	the 9th letter of the Greek alphabet

WordNet® 3.0, © 2006 by Princeton University.
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iota

see not one iota.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Company.
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iota i·o·ta (ī-ō'tə)
n.

Symbol ι The ninth letter of the Greek alphabet.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Iota language, specification
A specification language.
["The Iota Programming System", R. Nakajima er al, Springer 1983].
(1994-12-08)

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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Iota Flat, ND (township, FIPS 10140140)
Location: (47.883987, -101.146926)
Population (2000): 55 (26 housing units)
Area: 35.302651 sq mi (land), 0.723919 sq mi (water)

Iota, LA (town, FIPS 37410)
Location: (30.328500, -92.493123)
Population (2000): 1,376 (583 housing units)
Area: 1.269242 sq mi (land), 0.000000 sq mi (water)
Zip code(s): 70543

U.S. Gazetteer, U.S. Census Bureau
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Iota

I*o"ta\, n. [L., fr. Gr. ?. See Jot.]

1. The ninth letter of the Greek alphabet ([iota]) corresponding with the English i.

2. A very small quantity or degree; a jot; a particle.

They never depart an iota from the authentic formulas of tyranny and usurpation. --Burke.

Iota subscript (Gr. Gram.), iota written beneath a preceding vowel, as a,, h,, w,, -- done when iota is silent.