Phase

Template:Sister project Phase or phases may refer to:

Science

• State of matter, or phase, one of the distinct forms in which matter can exist
• Phase (matter), a region of space throughout which all physical properties are essentially uniform
• Phase space, a mathematical space in which each possible state of a physical system is represented by a point Template:Ndashalso referred to as a "microscopic state"
  • Phase space formulation, a formulation of quantum mechanics in phase space
• Phase (waves), the position of a point in time (an instant) on a waveform cycle
  • Instantaneous phase, generalization for both cyclic and non-cyclic phenomena
• AC phase, the phase offset between alternating current electric power in multiple conducting wires
  • Single-phase electric power, distribution of AC electric power in a system where the voltages of the supply vary in unison
  • Three-phase electric power, a common method of AC electric power generation, transmission, and distribution
• Phase problem, the loss of information (the phase) from a physical measurement
• Phase factor, a complex scalar used in quantum mechanics
• In continuous Fourier transform, the angle of a complex coefficient representing the phase of one sinusoidal component
• The argument or angle of complex numbers is sometimes called the phase

Other sciences

• Archaeological phase, a discrete period of occupation at an archaeological site
• Color phase, in biology, a group of individuals within a species with a particular coloration
• Gametic phase, in genetics, the relationship between alleles at two chromosomal loci
• Lunar phase, the appearance of the Moon as viewed from the Earth
• Planetary phase, the appearance of the illuminated section of a planet
• Phase separation, in physical chemistry, the separation of a liquid mixture into two immiscible liquids above and below a meniscus
• Phase (syntax), in linguistics, a cyclic domain (proposed by Noam Chomsky)
• In biology, a part of the cell cycle in which cells divide (mitosis) or reproduce (meiosis)

Music

• Phase music, a compositional process often associated with minimalism
• Phase (band), a Greek alternative rock band
• Phases (band), an indie pop American band, formerly known as JJAMZ
• Phase (Jack Garratt album), 2016
• Phases (The Who album), a 1981 box set of albums by The Who
• Phases (I See Stars album), 2015
• Phase (Mildlife album), 2017
• Phases (Angel Olsen album), 2017
• "Phases" (Alma and French Montana song), 2017
• "Phases", a song by English alternative rock band Keane from their 2019 album Cause and Effect
• Piano Phase, Reed Phase, Violin Phase and Phase Patterns are musical compositions by Steve Reich

Other entertainment

• "Phases" (Buffy the Vampire Slayer), a 1998 episode of the TV series Buffy the Vampire Slayer
• Phases (.hack), fictional monsters in the .hack franchise
• Phase, an incarnation of the DC Comics character Phantom Girl

Other uses

• Phase 10, a card game created by Fundex Games
• Phase (video game), a 2007 music game for the iPod developed by Harmonix Music Systems
• Phase (combat), usually a period of combat within a larger military operation

See also

• Phase 1 (disambiguation)
• Phase 2 (disambiguation)
• Phase 3 (disambiguation)
• Phase 4 (disambiguation)
• Phase 5 (disambiguation)
• Phase space (disambiguation)
• Phaser (disambiguation)
• Phasing (disambiguation)
• Phasor (disambiguation)
• Phaze, a fictional world in Piers Anthony's Apprentice Adept series
• Faze (disambiguation)
• FASOR (disambiguation)
• Stage (disambiguation)