XO

Look up XO or xo in Wiktionary, the free dictionary.

Xo or XO may refer to:

Arts and entertainment

Music

• XO (record label), founded by artist The Weeknd
• XO (Elliott Smith album), 1998
• XO (Leathermouth album), 2009
• "XO" (song), by Beyoncé (2013)
• "XO", a song by Fall Out Boy from the album From Under the Cork Tree
• "XO", a song by Mike Posner, released as a bonus track on 31 Minutes to Takeoff

Other uses in arts and entertainment

• Xiomara "Xo" Villanueva, a fictional character on the U.S. TV series Jane the Virgin
• Xbox One, a video game console by Microsoft

Businesses and organizations

• XO (record label), founded by artist The Weeknd
• XO Communications, a telecom company
• XO Group, a media company
• LTE International Airways (IATA airline code XO)

Food and drink

• XO, a grade of cognac, meaning "extra old"
• XO sauce, a spicy seafood sauce

Science and technology

Electronics and computing

• Crystal oscillator, an electronic circuit that uses the mechanical resonance of a vibrating crystal to create an electrical signal with a precise frequency
  • XO, the now-deprecated abbreviation for crystal oscillators on electrical schematic diagrams
• OLPC XO-1 laptop, produced by the One Laptop per Child association
• OLPC XO-3 laptop, next generation One Laptop per Child laptop
• Xbox One, a video game console by Microsoft

Other uses in science and technology

• XO Telescope, and its exo-planet survey
• Turner syndrome, a genetic condition in which one of the sex chromosomes is absent
• Xanthine oxidase, an enzyme that catalyzes the oxidation of hypoxanthine to xanthine

Other uses

• Eastern Orthodox Christianity (from the Greek Χριστιανός Ορθόδοξος, Xristianos Orthodoksos)
• Executive officer, in military use
• Executive order (disambiguation), an edict by a member of the executive branch of a government
• Hugs and kisses, sometimes written as a sequence of XOs

See also

• Chi Omega ("ΧΩ"), a National Panhellenic Conference women's fraternity
• Tic-tac-toe, a game using X's and O's
• XOXO (disambiguation)
• X's and O's (disambiguation)
• Exo (disambiguation)