I

I¹

(also i)

noun (plural Is or I's)

1》 the ninth letter of the alphabet.

2》 denoting the next after H in a set of items, categories, etc.

3》 the Roman numeral for one.

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I²

pronoun [first person singular] used by a speaker to refer to himself or herself.

Origin

OE, of Gmc origin.

Usage

It is correct to say between you and me rather than between you and I: see usage at between.

On whether to say you have more than me or you have more than I, see usage at than.

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I³

abbreviation

1》 (I.) Island(s) or Isle(s) (chiefly on maps).

2》 Italy (international vehicle registration).

symbol

1》 electric current.

2》 the chemical element iodine.