: the point or stage in a period of uniform circular motion, harmonic motion, or the periodic changes of any magnitude varying according to a simple harmonic law to which the rotation, …

A phase is one of the forms in which matter can exist, such as solid, liquid, or a gas.

Phase (matter) ... In the physical sciences, a phase is a region of material that is chemically uniform, physically distinct, and (often) mechanically separable. In a system consisting of ice …

Meaning "to carry out gradually" is from 1949, hence phase in "introduce gradually" (1954), phase out "take out gradually in planned stages" (1954). Related: Phased; phasing.

2 days ago · (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 a body's illuminated …

1. any distinct or characteristic period or stage in a sequence of events or chain of development: there were two phases to the resolution; his immaturity was a passing phase.

Phase definition: A distinct stage of development.

PHASE definition: any of the major appearances or aspects in which a thing of varying modes or conditions manifests itself to the eye or mind. See examples of phase used in a sentence.

Phase generally refers to a distinct stage or period in a process of change or development. It can be used in various fields such as physics, where it signifies the position of a point in time or …

a stage in a process of change or development: Each phase of life brings its own joys. a side, aspect, or point of view: This is only one phase of the question.