I (disambiguation)

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I is the ninth letter of the Latin alphabet.

I or i may also refer to:

Language[edit]

Mathematics[edit]

Science[edit]

Biology[edit]

Chemistry[edit]

Physics and astronomy[edit]

Computing[edit]

  • 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
  • IBM i, a computer operating system
  • i-, a prefix for Apple products e.g. iMac, iPod, iPhone
  • i-, an Internet-related prefix used by Internet and electronic companies

Music[edit]

Albums[edit]

Songs[edit]

Media[edit]

  • I (film), a 2015 Tamil language Indian film
  • i, a suffix unit for video resolution (vertical Interlaced lines), as in 480i or 1080i
  • i (TV network), the former name of ION Television
  • I band, 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
  • I, in the YIQ colorspace commonly used with the NTSC television encoding scheme, the color-difference channel which is in-phase with the subcarrier
  • i (newspaper), a British newspaper
  • i, the international symbol for visitor or tourist information; see ISO 7001

Characters[edit]

Vehicles[edit]

Other uses[edit]