Definition of Phase

1. Noun. 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"

2. Verb. Arrange in phases or stages. "Phase a withdrawal"
Generic synonyms: Arrange, Stage

3. Noun. (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"
Exact synonyms: Form
Category relationships: Physical Chemistry
Generic synonyms: State, State Of Matter
Specialized synonyms: Dispersed Particles, Dispersed Phase, Dispersing Medium, Dispersing Phase, Dispersion Medium

4. Verb. Adjust so as to be in a synchronized condition. "He phased the intake with the output of the machine"
Generic synonyms: Sync, Synchronise, Synchronize

5. Noun. A particular point in the time of a cycle; measured from some arbitrary zero and expressed as an angle.
Exact synonyms: Phase Angle
Generic synonyms: Point, Point In Time
Group relationships: Cycle, Rhythm, Round

6. Noun. (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"
Generic synonyms: Appearance, Visual Aspect
Category relationships: Astronomy, Uranology
Specialized synonyms: Phase Of The Moon

Definition of Phase

1. n. That which is exhibited to the eye; the appearance which anything manifests, especially any one among different and varying appearances of the same object.

2. n. 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.

3. v. t. To disturb the composure of; to disconcert; to nonplus.

Definition of Phase

1. Noun. A distinguishable part of a sequence or cycle occurring over time. ¹

2. Noun. That which is exhibited to the eye; the appearance which anything manifests, especially any one among different and varying appearances of the same object. ¹

3. Noun. Any appearance or aspect of an object of mental apprehension or view. ¹

4. Noun. (astronomy) A particular appearance or state in a regularly recurring cycle of changes with respect to quantity of illumination or form, or the absence, of its enlightened disk; as, ''the phases of the moon or planets''. Illustrated in Wikipedia's article ''Lunar phase''. ¹

5. Noun. (physics) 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. ¹

6. Noun. (rugby union) The period of play between consecutive breakdowns. ¹

7. Noun. (genetics) A haplotype. ¹

8. Verb. (context: with in or out) To begin—if construed with "in"—or to discontinue—if construed with out—(doing) something over a period of time (i.e. in phases). ¹

9. Verb. (misspelling of faze) ¹

10. Verb. (genetics informal transitive) To determine haplotypes in (data) when genotypes are known. ¹

11. Proper noun. (obsolete) Passover ¹

¹ Source:

Definition of Phase

1. to plan or carry out by phases (distinct stages of development) [v PHASED, PHASING, PHASES] : PHASEAL, PHASIC [adj]

Medical Definition of Phase

1. Any one of the varying aspects or stages through which a disease or process may pass. Origin: Gr. Phasis = an appearance This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Phase Pictures

Click the following link to bring up a new window with an automated collection of images related to the term: Phase Images

Lexicographical Neighbors of Phase

pharyngotympanic groove
pharyngotympanic tube
phase (current term)
phase-amplitude contrast
phase-contrast microscope
phase-locked loop
phase-shift keying
phase I
phase II
phase III
phase III clinical trial
phase II block
phase II clinical trial
phase IV
phase IV clinical trials
phase I block
phase I clinical trial

Literary usage of Phase

Below you will find example usage of this term as found in modern and/or classical literature:

1. Journal of the American Chemical Society by American Chemical Society (1879)
"It is clear from Figure 1 that in the temperature range where phase one is ... The nature of the changes in this phase is not quite so unequivocal as in the ..."

2. Electrical Engineering: The Theory and Characteristics of Electrical by Clarence Victor Christie (1917)
"Assuming a slip of 3 per cent. the capacity of the phase advancer is only ... To reduce the required phase advancer capacity the slip of the motor should be ..."

3. Science by American Association for the Advancement of Science (1883)
"23 April 1970; revised 22 June 1970 • phase Change Instability in the Mantle Abstract. In the presence of a temperature gradient, phase changes of the type ..."

4. Philosophical Transactions of the Royal Society of London by Royal Society (Great Britain) (1843)
"In this manner the following Table was formed:— Corresponding phases and converted depressions in the Southampton Tides; the phase commencing with low water ..."

5. Convention by National Electric Light Association Convention, National Independent Meat Packers Association, University of Georgia College of Agriculture, University of Georgia Dept. of Food Science (1906)
"Why are two-phase motors cheaper than single-phase ? Which motor wears the better, single or two-phase on same kind of work? Is there any difference in ..."

6. Science Abstracts by Institution of Electrical Engineers (1900)
"is shown in the accompanying sketch, in which LI, L» are the single- phase supply mains, and Mi, Mj three-phase induction motors connected between Li, Lj, ..."

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