/uy/ , pron., nom. I , poss. my or mine , obj. me; pl. nom. we , poss. our or ours , obj. us; n. , pl. I's .
pron.
1. the nominative singular pronoun, used by a speaker in referring to himself or herself.
n.
2. (used to denote the narrator of a literary work written in the first person singular).
3. Metaphys. the ego.
[ bef. 900; ME ik, ich, i; OE ic, ih; c. G ich, ON ek, L ego, Gk egó, OCS azu, Lith aš, Skt ahám ]
Usage . See me .
interstate (used with a number to designate an interstate highway): I-95.
Symbol.
1. the ninth in order or in a series.
2. ( sometimes l.c. ) the Roman numeral for 1. Cf. Roman numerals .
3. Chem. iodine.
4. Biochem. isoleucine.
5. Elect. current.
6. Logic. See particular affirmative .
Symbol, Physics. isotopic spin.