phase

• (physical chemistry) a distinct state of matter in a system
• any distinct time period in a sequence of events
• a particular point in the time of a cycle
• (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)
• arrange in phases or stages
• adjust so as to be in a synchronized condition
• That which is exhibited to the eye
• Any appearance or aspect of an object of mental apprehension or view
• A particular appearance or state in a regularly recurring cycle of changes with respect to quantity of illumination or form of enlightened disk
• 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

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