|1.||[ noun ] 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"
|Related terms:||time_period apogee chapter pachytene diplotene leptotene anal_stage genital_stage latency_stage oral_stage menstrual_phase diakinesis secretory_phase zygotene seedtime safe_period phallic_phase fertile_period incubation musth generation phase_of_cell_division|
|2.||[ noun ] (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"
|Related terms:||state_of_matter dispersing_medium dispersed_particles physical_chemistry|
|3.||[ noun ] a particular point in the time of a cycle; measured from some arbitrary zero and expressed as an angle|
|Related terms:||point cycle|
|4.||[ verb ] adjust so as to be in a synchronized condition|
"he phased the intake with the output of the machine"
|5.||[ verb ] arrange in phases or stages|
: "phase a withdrawal"
|6.||[ noun ] (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"
|Related terms:||appearance phase_of_the_moon astronomy|