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.

 

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Phase: Refers to the timing relationship of two or more signals or sound waves. It's especially important to be sure that your stereo speakers are playing 'in phase.' This means that the drivers (w . . . View Full Definition

Maturity Phase: A stage of company development in which earnings to grow at the rate of the general economy. Related: Three-phase DDM.

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 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

Telophase: The final stage of mitosis in which the chromosomes migrate to opposite poles, a new nuclear envelope forms, and the chromosomes uncoil. The last phase of nuclear division in eukaryotes when . . . View Full Definition

S Phase: That period of interphase when new DNA is synthesized as part of replication of the chromatin.

Balsamic Phase: When a more quickly orbiting planet trails a planet with a slower orbit and appears to 'catch up' with the slower body, and the planets are within 45 degrees of one another in their orbital . . . View Full Definition

Anaphase: Phase of mitosis in which the chromosomes begin to separate.

Prophase: 1) The first stage of mitosis during which chromosomes condense, the nuclear envelope disappears, and the centrioles divide and migrate to opposite ends of the cell. 2) The first stage of mi . . . View Full Definition

Stationary Phase: A stationary phase is a substance that shows different affinities for different components in a sample mixture in a separation of the mixture by chromatography. The mobile phase (a solution . . . View Full Definition