I (noun) Definition, Meaning & Examples

Mathematics.
  1. the imaginary number .
  2. a unit vector on the x-axis of a coordinate system.
noun, plural I's or Is, i's or 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 ori.
pronoun, nominative I,possessive my or mine,objective me;plural nominative we,possessive our or 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. the ego.
abbreviation
  1. interstate (used with a number to designate an interstate highway): I-95.
Symbol.
  1. the ninth in order or in a series.
  2. the Roman numeral for 1.
  3. iodine.
  4. isoleucine.
  5. current (def. 13).
  6. particular affirmative.
  7. isotopic spin.
  1. variant of y-.
  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.
abbreviation
  1. imperator.
  2. incisor.
  3. interest.
  4. intransitive.
  5. island.
  6. isle; isles.
abbreviation
  1. Independent.
  2. Island; Islands.
  3. Isle; Isles.
symbol for
  1. the imaginary number √–1
noun plural i's, I's or Is
  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
    • something shaped like an I
    • (in combination)
  3. to pay meticulous attention to detail
pronoun
  1. refers to the speaker or writer
symbol for
  1. iodine
  2. current
  3. isospin
  4. a particular affirmative categorial statement, such as some men are married, often symbolized as SiP
  5. one
abbreviation for
  1. Italy (international car registration)
connective vowel
  1. used between elements in a compound word
suffix forming adjectives
  1. of or relating to a region or people, esp of the Middle East
abbreviation for
  1. International
  2. Island or Isle
      I (noun) Definition, Meaning & Examples

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