ETYM New Lat. phasis, Greek, from phainein to make to appear: cf. French phase. Related to Phenomenon, Phantom, and Emphasis.
1. A particular point in the time of a cycle; measured from some arbitrary zero and expressed as an angle; SYN. phase angle.
2. Any distinct time period in a sequence of events; SYN. stage.
3. (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.
4. (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).
A time based relationship between a periodic function and a reference. In electricity, it is expressed in angular degrees to describe the voltage or current relationship of two alternating waveforms.
ETYM Old Fren. estage, French étage, (assumed) Late Lat. staticum, from Latin stare to stand. Related to Stand, Static.
1. A large platform on which people can stand and can be seen by an audience.
2. Any scene regarded as a setting for exhibiting or doing something.
3. (Usually); the theater as a profession.
4. A small platform on a microscope where the specimen is mounted for examination; SYN. microscope stage.
5. A section or portion of a journey or course; SYN. leg.