I is the ninth letter of the Latin alphabet.
I or i may also refer to:
Language I (pronoun), the first-person singular subject pronoun in English ı, dotless I (lowercase), Latin letter used in Turkish and Azerbaijani İ (uppercase), dotted I, used in the Latin-script alphabets of Azerbaijani, Crimean Tatar, Gagauz, Kazakh, Tatar, and Turkish I (Cyrillic) (И и), a letter used in almost all ancient and modern Cyrillic alphabets Dotted I (Cyrillic) (І і), used in the orthographies of Belarusian (in replacement of Cyrillic И), Kazakh, Khakas, Komi, Carpathian Rusyn and Ukrainian Iota, the letter in the Greek alphabet, uppercase , lowercase I (hangul) I (kana), one of the Japanese kana that each represent one mora I, male prefix to some Balinese names In the International Phonetic Alphabet: i, close front unrounded vowel ɨ, close central unrounded vowel ɪ, near-close near-front unrounded vowel
Science, technology, and mathematics
Biology Troponin I, one of the three troponins Haplogroup I (mtDNA), a human mitochondrial DNA (mtDNA) haplogroup Haplogroup I (Y-DNA), a Y-chromosomal DNA (Y-DNA) haplogroup Olfactory nerve, the 1st cranial nerve in human anatomy The Lợn Ỉ or Vietnamese Pot-bellied pig
Chemistry Iodine, symbol I, a chemical element I, isoleucine, an amino acid I, ionic strength in a chemical solution , Van 't Hoff factor
Computing i, a common generic index variable often used in program loops <i>, an HTML element for marking italic type .i, the common filename extension for a file that contains the output from a preprocessor i-, a prefix for Apple products and services e.g. iMac, iPod, iPhone, iCloud i-, an Internet-related prefix used by Internet and electronic companies Palochka, the number on Cyrillic keyboards that uses the glyph as its typeset form
Mathematics I, the Roman numeral for 1 , imaginary unit, for which or , identity matrix of indeterminate size (or of size ) , unit interval, which contains all real numbers from 0 to 1 inclusive , an index variable, e. g. in a matrix or for summation , the regularized incomplete beta function (of a variable and parameters ) , the unit vector along the x-axis in Cartesian coordinates
Physics and astronomy , , electric current , isospin , luminous intensity , moment of inertia , orbital inclination I (Roman number one), in the Yerkes spectral classification scheme, the symbol for supergiants
Telecommunication
I band (NATO), the range of radio frequencies from 8 GHz to 10 GHz in the electromagnetic spectrum I, the ITU prefix allocated to Italy in radio communication I, in QAM modulation schemes, the in-phase communications channel Chih-Lin I, Chinese telecommunications engineer
Other uses in technology
i, a suffix unit for video resolution (vertical Interlaced lines), as in 480i or 1080i I, in the YIQ colorspace commonly used with the NTSC television encoding scheme, the color-difference channel which is in-phase with the subcarrier
Arts and media Music
Albums i (A.R. Kane album), 1989 I (Ben Lester album), 2019 I (Cilvaringz album), 2007 I (Cursed album), 2003 I (Die Krupps album), 1992 I (Felix Jaehn album), 2018 I (Ikimono-gakari album), 2013 I (Imminence album), 2014 I (Jaejoong EP), 2013 I (Juju album), 2018 I (Kingston Wall album), 1992 I (Kurt Nilsen album), 2003 i (The Magnetic Fields album), 2004 I (Meshuggah EP), 2004 i (Misako Odani album), 1997 I (Nightingale album), 2000 I (Sahg album), 2006 I (Taeyeon EP), 2015 I (Xerath album), 2009 I (soundtrack), by A. R. Rahman from the eponymous 2015 film I., a 2012 EP by Cigarettes After Sex
Songs "I" (Kendrick Lamar song), 2014 "I" (Kiss song), 1981 "I" (Lil Skies song), 2019 "I" (Taproot song), 2001 "I" (Taeyeon song), 2015 "I (Who Have Nothing)", a 1966 Ben. E. King song also recorded by Tom Jones, who used the title for one of his albums "I", a 2008 song on In the Shadow of a Thousand Suns, an album by Abigail Williams "I", a 2003 song on Weather Systems, an album by Andrew Bird "I", a 1992 song on Selected Ambient Works 85–92, an album by Aphex Twin "I", a 1992 song on Dehumanizer, an album by Black Sabbath "I", a 1997 song on Coal Chamber, an album by Coal Chamber "I", a 1967 song on Underground, an album by The Electric Prunes "I", a 2012 song on Muse, an album by Jolin Tsai "I", a 1981 song on Music from "The Elder", an album by Kiss "I", a 2011 song on Cinderella's Eyes, an album by Nicola Roberts "I", a 1994 song on Made in USA, an album by Pizzicato Five "I", a 1999 song on Eternal, an album by Samael "I", a 2003 song on Winter Story, an album by Shinhwa "I", a 2013 song on Winterborn, an album by Wolfheart "I", a 2019 song by Hey! Say! JUMP "I", a 2016 song by Rezz
Other uses in music I (band), a Norwegian heavy metal band I, a diatonic function in tonal music theory
Television and radio Channel i (Singaporean TV channel), a defunct Singaporean television channel i (TV network), the former name of ION Television Radio i, originally Radio International, the former name of New Zealand radio station Mix (radio station) Radio-i, the brand name of Aichi International Broadcasting, a defunct radio station in Aichi Prefecture, Japan TVRi, a Romanian television channel
Other media I (2015 film), an Indian Tamil-language film I (2016 film), an Iranian film The i Paper, a British newspaper, formerly known as i i (Portuguese newspaper), based in Lisbon I, a character in the comic book series Adventure into Fear "I" Is for Innocent, the ninth novel in Sue Grafton's "Alphabet mystery" series, published in 1992 I, a Man, a 1967 Andy Warhol film
Mythology Goddess I, a Mayan deity Hou-i, or I, a heroic archer and hunter in Chinese mythology
Vehicles and transportation Italy (I), in the list of international vehicle registration codes Italy (aircraft registration prefix) Mitsubishi i, a Japanese kei car I (Los Angeles Railway), a former streetcar line in Los Angeles Toei Mita Line, a subway service operated by the Tokyo Metropolitan Bureau of Transportation (Toei), labeled Imazatosuji Line, a subway service operated by the Osaka Metro, labeled , the official West Japan Railway Company service symbol for the Kakogawa Line
Other uses i, an international symbol for visitor or tourist information; see ISO 7001 Nintendo DSi, the third model in the Nintendo DS line, released in 2008 Nintendo DSi XL, the larger version of the DSi, released in 2009 I, an alternative romanization of Lee (Korean surname) I-Foundation, a charity in charge of state-funded Hindu faith schools in the UK Interest rate (i), in economics India, the military time zone code for UTC+09:00 I Ching, or Yijing, ancient Chinese text
See also
ⓘ 1 (disambiguation) l (disambiguation) Eye (disambiguation) Self