2. Any appearance or aspect of an object of mental apprehension or view; as, the problem has many phases.
3. (Astron.)
Defn: A particular appearance or state in a regularly recurring cycle of changes with respect to quantity of illumination or form of enlightened disk; as, the phases of the moon or planets. See Illust. under Moon.
4. (Physics)
Defn: 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; one portion of a series of such changes, in distinction from a contrasted portion, as the portion on one side of a position of equilibrium, in contrast with that on the opposite side.
PHASE ANGLE
Phase angle. (Elec.)
Defn: The angle expressing phase relation.
PHASE CONVERTER
Phase converter. (Elec.)
Defn: A machine for converting an alternating current into an alternating current of a different number of phases and the same frequency.
PHASE DISPLACEMENT
Phase displacement. (Elec.)