Phase Boundary: A phase boundary is a surface where two samples of matter with different properties are in contact. The surface of a gas bubble in water or the surface of a crystal are examples of phase boundaries.

 

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Phase Boundary: A phase boundary is a surface where two samples of matter with different properties are in contact. The surface of a gas bubble in water or the surface of a crystal are examples of phase boundaries.

Phase Reduction: A processing of observed high and low waters to obtain quantities depending upon the phase of the Moon, such as the spring and neap ranges of tide. At a former time this process was known as . . . View Full Definition

Phase Shift: The fraction of a complete cycle elapsed as measured from a specified reference point and expressed as an angle. 2. Out of phase in an un-synchronized or un-correlated way.

Phase Transition: Iron phase transitions are at room temperature to 1,670°F (910°C) iron is body-center cubic, 1670°F (910°C) to 2535°F (1388°C) iron is face-center cubic and 2535°F (1390°C) the melting point . . . View Full Definition

Phase Linear: Any audio system which accurately preserves phase relationships between frequencies, i.e., that exhibits pure delay.

Phase Transitions: When metals or metal alloys go from solid to liquid or the reverse, this is a

Phase Inequality: Variations in the tides or tidal currents due to changes in the phase of the Moon. At the times of new and full Moon the tide-producing forces of the Moon and Sun act in conjunction, causing . . . View Full Definition

Phase Control: A 2-position switch found on some powered subwoofers that lets you delay the subwoofer's output slightly so that it is in phase with the output from your main speakers.

Phase Delay: A phase-shifted sine wave appears displaced in time from the input waveform. This displacement is called phase delay.

Phase Diagram: A map that shows which phases of a sample are most stable for a given set of conditions. Phases are depicted as regions on the map; the borderlines between regions correspond to conditions w . . . View Full Definition