The noun phase has 4 senses (first 3 from tagged texts)
1. (56) phase, form -- ((physical chemistry) a distinct state of matter in a system; matter that is identical in chemical composition and physical state and separated from other material by the phase boundary; "the reaction occurs in the liquid phase of the system")
2. (24) phase, stage -- (any distinct time period in a sequence of events; "we are in a transitional stage in which many former ideas must be revised or rejected")
3. (1) phase, phase angle -- (a particular point in the time of a cycle; measured from some arbitrary zero and expressed as an angle)
4. phase -- ((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); "the full phase of the moon")
Overview of verb phase
The verb phase has 2 senses (no senses from tagged texts)
1. phase -- (arrange in phases or stages; "phase a withdrawal")
2. phase -- (adjust so as to be in a synchronized condition; "he phased the intake with the output of the machine")