XY
XY stands for:
- Axes in the two-dimensional Cartesian coordinate system
- File number XY… unsolved , German television broadcast
- Male sex chromosomes, see gonosome
- Kayala Airline , Saudi Arabian airline (IATA code)
- XY (Magazine) , American magazine for gay men
- XY model of statistical mechanics
- XY-Theory - a human image of good and bad and the consequences of action
- Nationality mark for aircraft from Myanmar
- XY problem in communication science
XY as a distinguishing mark on license plates:
X&Y stands for:
- X&Y , album by the British pop rock band Coldplay
- Pokémon X and Y , two video games in the Pokémon franchise
X + Y stands for:
- X + Y , a 2014 British film
X / Y stands for:
- X / Y , a 2014 American drama movie
xy stands for:
- -Coordinate plane, one of the three planes in the three-dimensional Cartesian coordinate system