Phase
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Look up Phase, phase, or phases in Wiktionary, the free dictionary. |
Phase or phases may refer to:
In science
In physics
- Phase (waves), the position of a point in time (an instant) on a waveform cycle
- Phase (matter), a physically distinctive form of a substance, such as the solid, liquid, and gaseous states of ordinary matter—also referred to as a "macroscopic state"
Phase transition, the transformation of a thermodynamic system from one phase to another
- Mobile phase in chromatography
- Stationary phase (chemistry) in chromatography
- Phase space, a mathematical space in which each possible state of a physical system is represented by a point—this point is also referred to as a "microscopic state"
- Phase space formulation, a formulation of quantum mechanics in phase space
- Polyphase system, a means of distributing alternating current electric power in multiple conducting wires with definite phase offsets
- 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
- Three-phase, the mathematics of three-phase electric power
- Phase problem, the loss of information (the phase) from a physical measurement
- Phase factor, a complex scalar used in quantum mechanics
- Continuous Fourier transform, the angle of a complex coefficient representing the phase of one sinusoidal component
- Instantaneous phase, generalization for both cyclic and non-cyclic phenomena
In other sciences
- Archaeological phase, a discrete period of occupation at an archaeological site
- Gametic phase, in genetics, the relationship between alleles at two loci
- Lunar phase, the appearance of the Moon as viewed from the Earth
- Planetary phase, the appearance of the illuminated section of a planet
- In biology, a part of the cell cycle in which cells divide and reproduce
- Color phase, in biology, a group of individuals within a species with a particular coloration
- Phase (syntax), in linguistics, a cyclic domain (proposed by Noam Chomsky)
In entertainment
- Phase (band), a Greek alternative rock band
- Phases (band), an indie pop American band, formerly known as JJAMZ
- Phases (The Who album), a box set of albums by The Who
- Phases (album), a 2015 acoustic album by I See Stars
- "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 IV, a 1974 science fiction movie directed by Saul Bass
- Phase, an incarnation of the DC Comics character usually known as Phantom Girl
- Phaze, an alternate world in Piers Anthony's Apprentice Adept series
- Phase (album), a debut studio album by an English singer Jack Garratt
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
- A musical composition using Steve Reich's phasing technique
See also
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