I 1
(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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I 2
■ 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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I 3
■ 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.