[ feɪz ]
1》 a distinct period or stage in a process of change or development.
↘each of the aspects of the moon or a planet, according to the amount of its illumination.
2》 Zoology a genetic or seasonal variety of an animal's coloration.
3》 Chemistry a distinct and homogeneous form of matter separated by its surface from other forms.
4》 Physics the relationship in time between the cycles of an oscillating or repeating system and a fixed reference point or a different system.
1》 carry out in gradual stages.
↘( ~ something in/out ) introduce something into (or withdraw something from) use in gradual stages.
2》 apply phasing to (an electronic musical instrument).
3》 Physics adjust the ~ of (something), especially so as to synchronize it with something else.
in (or out of ) ~
1》 in (or out of) synchrony or harmony.
2》 Physics having or in the same (or different) ~ or stage of variation.
C19: from Fr., based on Gk phasis 'appearance'.