i Register
In some senses, phase is marked as informal, obsolete. Watch for register when choosing this word.
noun
A distinguishable part of a sequence or cycle occurring over time.
That which is exhibited to the eye; the appearance which anything manifests, especially any one among different and varying appearances of the same object.
Any appearance or aspect of an object of mental apprehension or view.
The problem has many phases.
A particular appearance or state in a regularly recurring cycle of changes with respect to quantity of illumination or form, or the absence, of a body's illuminated disk. Illustrated in Wikipedia's article Lunar phase.
the phases of the moon
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 porti
verb
To begin—if construed with "in"—or to discontinue—if construed with out—(doing) something over a period of time (i.e. in phases).
The use of the obsolete machines was gradually phased out as the new models were phased in.
To determine haplotypes in (data) when genotypes are known.
To pass into or through a solid object.
Anyone who has lost their way in cyberspace—realizing they have just phased into what they had previously categorized as 'solid' matter—will understand this example.
Archer took a deep breath and, steeling himself for the bizarre experience, carefully walked to the bulkhead and phased through.
To use a phaser.
verb
Alternative spelling of faze