Definition of Phase in English :

Define Phase in English

Phase meaning in English

Meaning of Phase in English

Pronunciation of Phase in English

Phase pronunciation in English

Pronounce Phase in English


see synonyms of phase


1. phase, stage

any distinct time period in a sequence of events

Example Sentences:
'we are in a transitional stage in which many former ideas must be revised or rejected'

2. form, phase

(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

Example Sentences:
'the reaction occurs in the liquid phase of the system'

3. phase, phase angle

a particular point in the time of a cycle; measured from some arbitrary zero and expressed as an angle

4. phase

(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)

Example Sentences:
'the full phase of the moon'


5. phase

arrange in phases or stages

Example Sentences:
'phase a withdrawal'

6. phase

adjust so as to be in a synchronized condition

Example Sentences:
'he phased the intake with the output of the machine'

WordNet Lexical Database for English. Princeton University. 2010.


see synonyms of phase
any distinct or characteristic period or stage in a sequence of events or chain of development
there were two phases to the resolution
his immaturity was a passing phase
2. astronomy
one of the recurring shapes of the portion of the moon or an inferior planet illuminated by the sun
the new moon, first quarter, full moon, and last quarter are the four principal phases of the moon
3. physics
the fraction of a cycle of a periodic quantity that has been completed at a specific reference time, expressed as an angle
(as modifier)
a phase shift
4. physics
a particular stage in a periodic process or phenomenon
5.  in phase
6.  out of phase
7. chemistry
a distinct state of matter characterized by homogeneous composition and properties and the possession of a clearly defined boundary
8. zoology
a variation in the normal form of an animal, esp a colour variation, brought about by seasonal or geographical change
9. biology (usually in combination)
a stage in mitosis or meiosis
10. electrical engineering
one of the circuits in a system in which there are two or more alternating voltages displaced by equal amounts in phase (sense 5)
See also polyphase (sense 1)
(in systemic grammar) the type of correspondence that exists between the predicators in a clause that has two or more predicators; for example connection by to, as in I managed to do it, or -ing, as in we heard him singing
verb (transitive)
12. (often passive)
to execute, arrange, or introduce gradually or in stages
a phased withdrawal
13. (sometimes foll by with)
to cause (a part, process, etc) to function or coincide with (another part, process, etc)
he tried to phase the intake and output of the machine
he phased the intake with the output
14. mainly US
to arrange (processes, goods, etc) to be supplied or executed when required

Collins English Dictionary. Copyright © HarperCollins Publishers


see synonyms of phase
any of the recurrent stages of variation in the illumination and apparent shape of a moon or a planet
any of the stages or forms in any series or cycle of changes, as in development
any of the ways in which something may be observed, considered, or presented; aspect; side; part
a problem with many phases
4.  Chemistry
a solid, liquid, or gaseous homogeneous form existing as a distinct part in a heterogeneous system
ice is a phase of H2O
5.  Physics
the fractional part of a cycle through which an oscillation, as of light or sound waves, has advanced, measured from an arbitrary starting point
6.  Zoology
any of the characteristic variations in color of the skin, fur, plumage, etc. of an animal, according to season, age, etc.
verb transitiveWord forms: phased or ˈphasing
to plan, introduce, or carry out in phases, or stages
often with in or into
to put in phase
verb intransitive
to move by phases
verb transitiveWord forms: phased or ˈphasing

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.


see synonyms of phase
1. A distinct stage of development: “The American occupation of Japan fell into three successive phases” (Edwin O. Reischauer).
2. A temporary manner, attitude, or pattern of behavior: just a passing phase.
3. An aspect; a part: We must reconsider every phase of the operation.
4. Astronomy
a. One of the cyclically recurring apparent shapes of the visibly illuminated portion of the moon or a planet.
b. The relative configuration, measured in angular units such as degrees or radians, of two orbiting bodies that periodically eclipse.
5. Physics
a. A particular stage in a periodic process or phenomenon.
b. The fraction of a complete cycle elapsed as measured from a specified reference point and often expressed as an angle.
6. Chemistry
a. Any of the forms or states, solid, liquid, gas, or plasma, in which matter can exist, depending on temperature and pressure.
b. A discrete homogeneous part of a material system that is mechanically separable from the rest, as is ice from water.
7. Biology A characteristic form, appearance, or stage of development that occurs in a cycle or that distinguishes some individuals of a group: the white color phase of a weasel; the swarming phase of locusts.
v. phased, phas·ing, phas·es
v. tr.
1. To plan or carry out systematically by phases.
2. To set or regulate so as to be synchronized.
v. intr.
To become incorporeal so as to be able to move through a solid object: “He got out of the car without opening the door—just phased through it—and walked up the steps of the church” (Dean Koontz).

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.