Science / Astrology / Phase: Any of the stages of variation in appearance or illumination of a planet; used most commonly to describe the various stages in the Moon's cycle. See also lunation cycle, waning phase, waxing phase.

Other Words for Phase

Phase Noun Synonyms: stage, period, development, step

Phase Diagram

Science / Chemistry / 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 where the p MORE

Age Of Phase Inequality

Science / Tides and Currents / Age Of Phase Inequality: The time interval between new or full Moon and the maximum effect of these phases upon range of tide or speed of the tidal current. This age may be computed from the harmonic constants by the formula: MORE

Phase Change

Science / Chemistry / Phase Change: A change in the state of a sample of matter; for example, solid to liquid or liquid to gas. Phase changes are considered physical rather than chemical changes. MORE

Quadrature Phase-Shift Keying (QPSK)

Technology / Computers / Quadrature Phase-Shift Keying (QPSK): A method of modulating digital signals using four phase states to code two digital bits per phase shift. MORE

Differential Phase Residual (DPR)

Science / Spiders / Differential Phase Residual (DPR): a measure of statistical dependency between two averages, computed over rings in Fourier space as a function of ring radius (= spatial frequency, or resolution) [Frank et al., 1981]. Typically, the DP MORE

Phase Boundary

Science / Chemistry / 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. MORE