(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(noun.state)
Example: The reaction occurs in the liquid phase of the system.
(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)(noun.attribute)
Example: The full phase of the moon.
source: wordnet30
That which is exhibited to the eye; the appearance which anything manifests, especially any one among different and varying appearances of the same object.(noun)
source: webster1913
A homogenous, physically distinct portion of matter in a system not homogeneous; as, the three phases, ice, water, and aqueous vapor. A phase may be either a single chemical substance or a mixture, as of gases.(noun)
source: webster1913
verb (v)
arrange in phases or stages(verb.creation)
Example: Phase a withdrawal.
source: wordnet30
adjust so as to be in a synchronized condition(verb.change)
Example: He phased the intake with the output of the machine.
source: wordnet30
To disturb the composure of; to disconcert; to nonplus.(verb)