X (disambiguation)

X is the twenty-fourth letter of the Latin alphabet.

X may also refer to:

[edit] Language

• Chi (letter), the twenty-second letter of the Greek alphabet, often used to abbreviate "Christ"
• Kha, a letter in the Cyrillic alphabet
• Ḫāʼ, a letter in the Arabic alphabet

[edit] Mathematics

• X is the Roman numeral for 10
• x is a common variable for unknown or changing concepts in mathematics
• × is used as the multiplication sign in mathematics, also noted ✕
• × is also used as the vector or cross product

[edit] Science

• In astronomy, X stands for a comet of unknown orbit
• In electronics, X stands for reactance, the imaginary part of electrical impedance
• In biology, × (or x) is often used in binomial nomenclature as part of a hybrid name
• X band, part of the microwave band of the electromagnetic spectrum
• X chromosome, one of the two sex-determining chromosomes in many animal species, including mammals
• Planet X is a hypothesised planet in the outer solar system

[edit] Computing

• X, short for the X Window System, a client-server display protocol often used in UNIX environments
• X Window System protocols and architecture, rules for communication between the former client and server
• X (writing speed), the speed at which data is written to an optical disc
• Mac OS X, the current graphical operating system for Apple hardware

[edit] Media

• X-rated, a rating given to films suitable for an adult-only audience
• X (1963 film), subtitled The Man with the X-Ray Eyes, an American science-fiction film
• X (anime), a Japanese anime film and television series adapted from the manga of the same name
• The X (TV series), a Canadian children's television program produced by the Canadian Broadcasting Corporation
• The X's, an American animated television series

[edit] Comics

• X (manga), a Japanese manga series by Clamp
• X (Dark Horse Comics), a character and series by Dark Horse Comics
• X (Marvel Comics), a mutant character appearing in Marvel Comics

[edit] Video games

• X (Xbox show), an annual trade show hosted by Microsoft to showcase Xbox merchandise
• X (handheld game), an early 3D game for Nintendo's Game Boy console released only in Japan
• X (game series), a science fiction space simulator series by Egosoft
  • X: Beyond the Frontier, a game in the Egosoft series
• Mega Man X (character), the protagonist in the Mega Man X video game series
• Dance Dance Revolution X, an upcoming music video game by Konami

[edit] Music

[edit] Albums

• X (Trace Adkins album), released in 2008 by American country music artist Trace Adkins
• X (Kylie Minogue album), released in 2007 by Australian dance-pop singer Kylie Minogue
• X (K-Ci and JoJo album), released in 2000 by American R&B duo K-Ci and JoJo
• X (Kristeen Young album), released in 2004 by American rock singer Kristeen Young
• X (INXS album), released in 1990 by Australian rock band INXS
• X (Def Leppard album), released in 2002 by British rock band Def Leppard
• X (Liberty X album), released in 2005 by British pop vocal group Liberty X
• X (Klaus Schulze album), released in 1978 by German electronic musician Klaus Schulze
• X (Anna Vissi album), released in 2002 by Greek singer Anna Vissi
• X the album, Christian compilation album series released annually by Tooth and Nail Records since 2004

[edit] Bands

• X (U.S. band), a punk rock band formed in Los Angeles in 1977
• X (Australian band), a punk rock band formed in Sydney in 1977
• X Japan, a Japanese metal band

[edit] Songs

• "X" (Xzibit song), a song from the 2000 album Restless by Xzibit
• "X" (Liberty X song), a 2006 song from the album X by Liberty X
• "X", a song from the album Toxicity by System of a Down

[edit] Radio

• KTHX-FM, also known as "The 'X' at 100.1 FM", a rock n' roll radio station in Reno, Nevada
• KCXX-FM, also known as "The 'X' at 103.9 FM", a rock n' roll radio station in the Inland Empire, Southern California
• KXXR, also known as "93X", an active rock radio station in Minneapolis, MN
• WXDX-FM, also known as "The 'X' at 105.9", a modern rock radio station in Pittsburgh, Pennsylvania
• WQXA, also known as 105.7 "The 'X'", a modern rock radio station in Harrisburg, Pennsylvania
• WRAX, also known as "The 'X' at 100.5", a modern rock radio station in Birmingham, Alabama
• WXEG, also known as "103.9 The 'X'", a modern rock radio station in Dayton, Ohio
• WNFZ, also known as "94.3 the X", a modern rock radio station in Knoxville, Tennessee
• WSUN-FM, also known as "97X", a modern rock radio station in Tampa, FL
• XETRA-FM, also known as "91X", a modern rock radio station in San Diego, California
• The initial letter of many stations originating in Mexico

[edit] Other uses

• X mark, a common written symbol of negation or affirmation
• X (automobile), a French car produced in 1908 and 1909
• X² (roller coaster), the world's first spinning coaster, at Six Flags Magic Mountain
• X (John Cage book), subtitled Writings ’79–’82, a book by avantgarde composer John Cage
• X (The X-Files), a character from the television series The X-files
• x is a handwritten symbol of a kiss
• x is the symbol in the International Phonetic Alphabet for the voiceless velar fricative
• X is the stock symbol for United States Steel Corporation
• The X is the nickname for École Polytechnique, a French engineering school
• The X may refer to the Xcel Energy Center, an arena in Saint Paul, Minnesota
• X and ecstasy are street names for the drug MDMA
• X, surname often assumed by members of the Nation of Islam, i.e Malcolm X, Clarence 13X
• X, ring name of wrestler Carl Ouellet
• X is the symbol for a strike in bowling
• ╳ is a box drawing characters
• Ⓧ may refer to a typographical symbol in Japanese resale price maintenance

[edit] See also

• Chi (disambiguation)
• Ex (disambiguation)
• Mister X (disambiguation)
• Project X (disambiguation)
• XX (disambiguation)
• XXX (disambiguation)
• XXXX (disambiguation)
• x marks the spot

This disambiguation page lists articles associated with the same Latin letter. If an internal link led you here, you may wish to change the link to point directly to the intended article.