XY
Appearance
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Look up XY in Wiktionary, the free dictionary.
XY, or xy, or any of its variants may refer to:
Entertainment
[edit]- Pokémon X and Y, a pair of 2013 role-playing video games in the Pokémon series
- XY (magazine), a gay male youth magazine that also operated a personals website
- X, Y, a 1993 novel by Michael Blumlein
- X&Y, a 2005 album by Coldplay
- Xy, a member of the band Samael
Film and television
[edit]- Aktenzeichen XY… ungelöst, a German television series first broadcast in 1967
- Kyle XY, an American sci-fi television series first broadcast in 2006
- Pokemon The Series: XY, the 17th season of Pokémon and the first and titular season of Pokémon the Series: XY, first broadcast in 2013; named after the games
- X+Y, a 2014 British film
- X/Y, a 2014 American film
- X&Y (film), a 2018 Swedish film
- "XY", an episode of the 8th season of the television series Castle, first broadcast in 2018
- XY Chelsea, a 2019 American-British documentary film about Chelsea Manning
Science and technology
[edit]- the XY model, a lattice model of statistical mechanics
- the XY problem, a problem of communication in software engineering and technical support situations
Genetics
[edit]- XY sex chromosomes, in the XY sex-determination system found in many animals
- a male, an organism typically having one X and one Y chromosome and producing sperm gametes that fuse with a female gamete during sexual reproduction
- XY gonadal dysgenesis, also known as Swyer syndrome, a type of hypogonadism resulting in a phenotypical female with functionless gonads
Mathematics
[edit]- x and y, symbols commonly used to denote variables in mathematical formulas
- (x, y)-coordinates, a system used to locate a point in two dimensions according to the cartesian coordinate system
- X and Y, symbols conventionally used to denote the domain and codomain of a function
- The definition of an f(x, y) function that produces a hyperbolic paraboloid
Other uses
[edit]- XY, IATA code of Flynas (formerly Nas Air), a Saudi low-cost airline
- Xy (digraph), a digraph of the Romanized Popular Alphabet, used to write Hmong
- XY, aircraft registration prefix for Myanmar