Associations to the word «Phase»

PHASE, noun. A distinguishable part of a sequence or cycle occurring over time.

PHASE, noun. That which is exhibited to the eye; the appearance which anything manifests, especially any one among different and varying appearances of the same object.

PHASE, noun. Any appearance or aspect of an object of mental apprehension or view.

PHASE, noun. (astronomy) A particular appearance or state in a regularly recurring cycle of changes with respect to quantity of illumination or form, or the absence, of its enlightened disk; as, the phases of the moon or planets. Illustrated in Wikipedia's article Lunar phase.

PHASE, noun. (physics) Any one point or portion in a recurring series of changes, as in the changes of motion of one of the particles constituting a wave or vibration; one portion of a series of such changes, in distinction from a contrasted portion, as the portion on one side of a position of equilibrium, in contrast with that on the opposite side.

PHASE, noun. (chemistry) A component in a material system that is distinguished by chemical composition and/or physical state (solid, liquid or gas) and/or crystal structure. It is delineated from an adjoining phase by an abrupt change in one or more of those conditions.

PHASE, noun. (zoology) In certain organisms, one of two or more colour variations characteristic of the species, but independent of the ordinary seasonal and sexual differences, and often also of age.

PHASE, noun. (rugby union) The period of play between consecutive breakdowns.

PHASE, noun. (genetics) A haplotype.

PHASE, verb. (with in or out) To begin—if construed with "in"—or to discontinue—if construed with out—(doing) something over a period of time (i.e. in phases).

PHASE, verb. Archaic form of faze.

PHASE, verb. (genetics) (informal) (transitive) To determine haplotypes in (data) when genotypes are known.

PHASE, verb. To pass into or through a solid object.

PHASE, proper noun. (obsolete) Passover

PHASE CONTRAST MICROSCOPE, noun. A microscope that uses the change of phase when light is transmitted or reflected from a transparent or reflective specimen to form an image; used especially to study living cells

PHASE CONTRAST MICROSCOPY, noun. A form of light microscopy in which small differences in refractive index of a transparent specimen are converted into amplitude (contrast) differences in the final image.

PHASE DIAGRAM, noun. (physics) (chemistry) A graph, with axes representing temperature and pressure, showing the equilibrium conditions for a given substance to be a solid, liquid or gas.

PHASE DIAGRAM, noun. A similar diagram for a binary mixture of substances, with axes representing composition and temperature.

PHASE DOWN, verb. (transitive) To gradually reduce the size or scale of

PHASE FACTOR, noun. (quantum mechanics) A normalized complex number, considered as, say, the scalar coefficient of a ket.

PHASE FUNCTION, noun. (astronomy) A function that describes the angular distribution of light reflected from a body when illuminated from a specific direction

PHASE FUNCTIONS, noun. Plural of phase function

PHASE IN, verb. To introduce something little by little

PHASE INVERTER, noun. An electronic circuit which changes the phase of a signal by 180°; used in the input stage of a push-pull amplifier.

PHASE MODULATION, noun. A method of sending information by modifying (modulating) the difference in phase (fraction of a wave length) between a signal and a reference.

PHASE MODULATOR, noun. An electronic circuit that causes the phase angle of a modulated wave to vary in accordance with the modulating signal

PHASE MODULATORS, noun. Plural of phase modulator

PHASE OUT, verb. (idiomatic) To remove or relinquish the use of something little by little

PHASE RULE, noun. (physics) the rule which states that the number of degrees of freedom in a system at equilibrium equals the number of components minus the number of phases plus 2

PHASE SEPARATION, noun. (physics) the conversion of a single-phase system into a multi-phase system; especially the separation of a solution into two immiscible liquids

PHASE SHIFT KEYING, noun. Alternative spelling of phase-shift keying

PHASE SHIFTER, noun. A type of microwave network

PHASE SHIFTERS, noun. Plural of phase shifter

PHASE SPACE, noun. (mathematics) (physics) The topological space in which each point represents a possible state of a system.

PHASE TESTER, noun. A device, often built in to a screwdriver, used to check for electrical current.

PHASE TRANSFER CATALYSIS, noun. (chemistry) A process in which the rate of a reaction in a heterogeneous two-phase system is enhanced by the addition of a substance that transfers one of the reactants across the interface between the two phases.

PHASE TRANSITION, noun. (physics) The transition between thermodynamic phases of a physical system, especially one between the solid, liquid, and gaseous phases of a substance.

PHASE VELOCITY, noun. (physics) The velocity of propagation of a pure sine wave of infinite extent and infinitesimal amplitude.

PHASE, noun. Any distinct time period in a sequence of events; "we are in a transitional stage in which many former ideas must be revised or rejected".

PHASE, noun. (physical chemistry) a distinct state of matter in a system; matter that is identical in chemical composition and physical state and separated from other material by the phase boundary; "the reaction occurs in the liquid phase of the system".

PHASE, noun. A particular point in the time of a cycle; measured from some arbitrary zero and expressed as an angle.

PHASE, noun. (astronomy) the particular appearance of a body's state of illumination (especially one of the recurring shapes of the part of Earth's moon that is illuminated by the sun); "the full phase of the moon".

PHASE, verb. Arrange in phases or stages; "phase a withdrawal".

PHASE, verb. Adjust so as to be in a synchronized condition; "he phased the intake with the output of the machine".