I
Pronunciation: (ī), [key] — pl. I's Is, i's is.
- the ninth letter of the English alphabet, a vowel.
- any spoken sound represented by the letter I or i, as in big, nice, or ski.
- something having the shape of an
- a written or printed representation of the letter I or i.
- a device, as a printer's type, for reproducing the letter I or i.
I
Pronunciation: (ī), [key] — pron., nom. poss. obj. pl. nom. poss. obj. n., pl. I, my mine, me we, our ours, us I's.
—pron. - the nominative singular pronoun, used by a speaker in referring to himself or herself.
—n. - (used to denote the narrator of a literary work written in the first person singular).
- the ego.
I
- interstate (used with a number to designate an interstate highway): I-95.
I
— Symbol.
- the ninth in order or in a series.
- (sometimes l.c.) the Roman numeral for 1. Cf. Roman numerals.
- iodine.
- isoleucine.
- current.
- See
i
— Math. Math.
- the imaginary number &fullradicoverminus1;.
- a unit vector on the x-axis of a coordinate system.
I
- isotopic spin.
i-
- var. of
-i-
- the typical ending of the first element of compounds of Latin words, asis 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.
- Independent.
- Island; Islands.
- Isle; Isles.
i.
- imperator.
- incisor.
- interest.
- intransitive.
- island.
- isle; isles.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.