51Թ

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View synonyms for

I

1
Or i

[ahy]

noun

plural

I's, Is, i's, is. 

  1. the ninth letter of the English alphabet, a vowel.

  2. any spoken sound represented by the letter I or i, as in big, nice, or ski.

  3. something having the shape of an I.

  4. a written or printed representation of the letter I or i.

  5. a device, as a printer's type, for reproducing the letter I or i.

I

2

[ahy]

pronoun

nominative

I ,

possessive

my, mine ,

objective

me ,

plural-nominative

we ,

possessive

our, ours ,

objective

us .

  1. the nominative singular pronoun, used in referring to oneself, the person speaking, writing, or otherwise communicating.

noun

plural

I's 

  1. (used to denote the narrator of a literary work written in the first person singular.)

  2. Metaphysics.the ego.

I

3

abbreviation

  1. interstate (used with a number to designate an interstate highway).

    I-95.

I

4
Symbol.

  1. the ninth in order or in a series.

  2. (sometimes lowercase)the Roman numeral for 1.

  3. Chemistry.iodine.

  4. Biochemistry.isoleucine.

  5. Electricity.current.

  6. Logic.particular affirmative.

  7. (italics)isotopic spin.

i

5
Mathematics.

  1. Also called imaginary unit.the imaginary number .

  2. a unit vector on the x -axis of a coordinate system.

i-

6

  1. variant of y-.

i.

7

abbreviation

  1. imperator.

  2. incisor.

  3. interest.

  4. intransitive.

  5. island.

  6. isle; isles.

-i-

8

  1. the typical ending of the first element of compounds of Latin words, as -o- is of Greek words, but often used in English with a first element of any origin, if the second element is of Latin origin.

    cuneiform; Frenchify.

I.

9

abbreviation

  1. Independent.

  2. Island; Islands.

  3. Isle; Isles.

I

1

/ ɪ /

pronoun

  1. (subjective) refers to the speaker or writer

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

I

2

symbol

  1. chem iodine

  2. physics current

  3. physics isospin

  4. logic a particular affirmative categorial statement, such as some men are married, often symbolized as SiP Compare A E O 1

  5. one See Roman numerals

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

abbreviation

  1. Italy (international car registration)

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

I.

3

abbreviation

  1. International

  2. Island or Isle

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

-i-

4

  1. used between elements in a compound word Compare -o-

    cuneiform

    coniferous

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

i

5

/ ɪ /

noun

  1. the ninth letter and third vowel of the modern English alphabet

  2. any of several speech sounds represented by this letter, in English as in bite or hit

    1. something shaped like an I

    2. ( in combination )

      an I-beam

  4. to pay meticulous attention to detail

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

-i

6

suffix

  1. of or relating to a region or people, esp of the Middle East

    Iraqi

    Bangladeshi

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

i

7

symbol

  1. Also called: j.the imaginary number √–1

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

i

  1. The number whose square is equal to −1. Numbers expressed in terms of i are called imaginary or complex numbers.

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Grammar Note

See me.
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51Թ History and Origins

Origin of i1

First recorded before 900; Middle English ik, ich, i, Old English ic, ih; cognate with Gothic ik, German ich, Old Norse ek, Latin ego, Greek ṓ, Old Church Slavonic ŭ, Lithuanian š, Sanskrit á
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51Թ History and Origins

Origin of i1

C12: reduced form of Old English ic; compare Old Saxon ik, Old High German ih, Sanskrit á

Origin of i2

(for sense 4) from Latin ( aff ) i ( rmo ) I affirm

Origin of i3

from Latin, stem vowel of nouns and adjectives in combination

Origin of i4

from an adjectival suffix in Semitic and in Indo-Iranian languages
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Idioms and Phrases

see dot the i's and cross the t's.

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