(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"
(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"
a particular point in the time of a cycle; measured from some arbitrary zero and expressed as an angle
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"
adjust so as to be in a synchronized condition; "he phased the intake with the output of the machine"
become more intense; "The debate intensified"; "His dislike for raw fish only deepened in Japan"
make more intense, stronger, or more marked; "The efforts were intensified", "Her rudeness intensified his dislike for her"; "Pot smokers claim it heightens their awareness"; "This event only deepened my convictions"
make the chemically affected part of (a negative) denser or more opaque in order produce a stronger contrast between light and dark