i¹ Definition
i (ī)
noun pl. i's
- the ninth letter of the English alphabet: via Latin from the Greek iota, a modification of the Phoenician (Semitic yodh, a hand): this letter, first dotted in the 11th cent., was not distinguished from j until the 17th cent.
- any of the speech sounds that this letter represents, as, in English, the vowel (i) of pick, (ē) of pique, or (ī) of pike, or, when it is unstressed, (ə) as in sanity, or the semivowel (y) in boil
- a type or impression for i or I
- the ninth in a sequence or group
- an object shaped like
adjective
- of i or I
- ninth in a sequence or group
- shaped like
i² Definition
i (ī)
noun
- a Roman numeral for 1 iii = 3
- Astron. the inclination of a planet's orbit to some reference plane, as the ecliptic
i³ Definition
i
- interest
- intransitive
- island(s)
- isle(s)
i4 Definition
i
, the square root of negative one
I¹ Definition
I (ī)
noun
- a Roman numeral for 1; placed after another Roman numeral, it adds one unit (e.g., VI = 6), and placed before another numeral, it subtracts one unit (e.g., IV = 4)
- Educ. a grade indicating incompletion of assigned work; an incomplete
I² Definition
I (ī)
pl. we
the person speaking or writing: personal pronoun in the first person singular: I is the nominative form, me the objective, mine the possessive, and myself the reflexive and intensive; my is the possessive pronominal adjective
Etymology: ME i, ich, ih < OE ic, akin to Ger ich, Goth ik < IE base *ȇgom, orig. prob. neut. n. meaning “(my) presence here” > L ego, Gr egō, Sans ahám
noun pl. I's
the ego; the self
I³ Definition
I
- Imperator
- Dentistry incisor
- Independent
- interstate
- Island(s)
- Isle(s)
- Physics moment of inertia
I4 Definition
I
- Physics electric current
- Chem. iodine
I Synonyms
I Telecom Definition
The symbol for current intensity, measured in amperes. See also current.
Browse dictionary entries near i
- ‹ Hz
- ‹ hystricomorphic
- ‹ hysterotomy
- ‹ hysteron proteron
- ‹ hysteroid
- ‹ hystero-
- ‹ hysterical
- ‹ hysteric
- ‹ hysteria
- ‹ hysteresis
- I-beam ›
- I-bond ›
- I Ching ›
- I'd ›
- I don't know ›
- i.e. ›
- I/F ›
- I formation ›
- I-hold ›
- I'll ›

