noun \ˈfāz\

: a part or step in a process : one part in a series of related events or actions

: a short period of time during which a person behaves in a particular way or likes a particular thing

: the shape of the part of the moon that is visible at different times during a month

Full Definition of PHASE

:  a particular appearance or state in a regularly recurring cycle of changes <phases of the moon>
a :  a distinguishable part in a course, development, or cycle <the early phases of her career>
b :  an aspect or part (as of a problem) under consideration
:  the point or stage in a period of uniform circular motion, harmonic motion, or the periodic changes of any magnitude varying according to a simple harmonic law to which the rotation, oscillation, or variation has advanced from its standard position or assumed instant of starting
:  a homogeneous, physically distinct, and mechanically separable portion of matter present in a nonhomogeneous physicochemical system
:  an individual or subgroup distinguishably different in appearance or behavior from the norm of the group to which it belongs; also :  the distinguishing peculiarity
pha·sic \ˈfā-zik\ adjective
in phase
:  in a synchronized or correlated manner
out of phase
:  in an unsynchronized manner :  not in correlation

Examples of PHASE

  1. The project will be done in three phases.
  2. He's in the final phase of treatment now.
  3. The building project marks a new phase in the town's development.
  4. He has been throwing tantrums a lot, but the doctor says it's just a phase.
  5. a calendar based on the phases of the moon

Origin of PHASE

New Latin phasis, from Greek, appearance of a star, phase of the moon, from phainein to show (middle voice, to appear) — more at fancy
First Known Use: circa 1750


transitive verb

Definition of PHASE

:  to adjust so as to be in a synchronized condition
:  to conduct or carry out by planned phases
:  to introduce in stages —usually used with in <phase in new models>

First Known Use of PHASE



Next Word in the Dictionary: phase advancer
Previous Word in the Dictionary: Phascum
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