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I
1[ ahy ]
noun
- 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 I.
- 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
2[ ahy ]
pronoun
- the nominative singular pronoun, used in referring to oneself, the person speaking, writing, or otherwise communicating.
noun
- (used to denote the narrator of a literary work written in the first person singular.)
- Metaphysics. the ego.
I
3abbreviation for
- interstate (used with a number to designate an interstate highway):
I-95.
I
4- the ninth in order or in a series.
- (sometimes lowercase) the Roman numeral for 1. Compare Roman numerals.
- Chemistry. iodine ( def ).
- Biochemistry. isoleucine ( def ).
- Electricity. current ( def 13 ).
- Logic. particular affirmative.
- (italics) Physics. isotopic spin ( def ).
i
5- Also called imaginary unit. the imaginary number .
- a unit vector on the x -axis of a coordinate system.
i-
6- variant of y-.
i.
7abbreviation for
- imperator.
- incisor.
- interest.
- intransitive.
- island.
- isle; isles.
-i-
8- the typical ending of the first element of compounds of Latin words, as -o- is 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.
9abbreviation for
- Independent.
- Island; Islands.
- Isle; Isles.
I
1/ aɪ /
pronoun
- subjective refers to the speaker or writer
I.
2abbreviation for
- International
- Island or Isle
-i-
3connective vowel
- used between elements in a compound word Compare -o-
coniferous
cuneiform
i
4/ aɪ /
noun
- the ninth letter and third vowel of the modern English alphabet
- any of several speech sounds represented by this letter, in English as in bite or hit
- something shaped like an I
- ( in combination )
an I-beam
- dot the i's and cross the t'sto pay meticulous attention to detail
-i
5suffix forming adjectives
- of or relating to a region or people, esp of the Middle East
Iraqi
Bangladeshi
i
6symbol for
- the imaginary number √–1 Also calledj
I
7symbol for
- chem iodine
- physics current
- physics isospin
- Roman numeral one See Roman numerals
abbreviation for
- Italy (international car registration)
i
/ ī /
- The number whose square is equal to −1. Numbers expressed in terms of i are called imaginary or complex numbers.
Grammar Note
Word History and Origins
Origin of I1
Word History and Origins
Origin of I1
Origin of I2
Origin of I3
Origin of I4
Idioms and Phrases
see dot the i's and cross the t's .Example Sentences
In the study, while some athletes had signs of possible myocarditis in imaging, their troponin I levels were normal, and their electrocardiograms didn’t look unusual.
The San Diego City Council’s Public Safety and Livable Neighborhoods Committee voted unanimously Wednesday to repeal a part of the municipal code — passed during World War I — that forbids people from making statements that “breach the public peace.”
It also helped that the book featured quite a few of my NEA partners that I have had the pleasure of working closely with!
That’s the goal of a new study in the Journal of Strength and Conditioning Research from a research team at the University of Valencia and Jaume I University in Spain.
The scouts liked the poise and command of Civale and Bieber, two of the top command pitchers in the class — the duo ranked fifth and 13th in strikeout-to-walk ratio in Division I baseball.
Mahoney helped author the I-STOP legislation based on data his office collected in regard to fraud.
As of 2012, there are over 523,000 people across the country on Medicaid waiver lists; over 309,000 of those people have I/DD.
Barbra Driskill-Scherer is the mother of 9-year-old Gunnar, who has I/DD.
Republicans keep saying Democrats are obsessed with the I-word.
Some Democrats are having more success than others in their I-never-met-the-guy campaigns.
James I. sent forth his famous "Counterblast" and in the strongest manner condemned its use.
Clinical study of the blood may be discussed under the following heads: I. Hemoglobin.
The reader wishes to infallibly remember that the date of the beheading of Charles I. was 1649.
As for the slipperiness of the ground, my opponent will run no greater risks than I. I am not the only impatient one.
But you are a gambler and so am I. I will play you for those documents against twenty-five thousand francs.
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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