Phase

• The phase of a waveform is the position of any peak or trough compared to the same feature on a second waveform.\n* A phase of matter is a physically distinctive form of a substance, such as the solid, liquid, and gaseous phases of ordinary matter. Also sometimes included in this list are more exotic phases such as superfluids.\n* Layers of immiscible liquids are called "phases."\n* A lunar phase is the appearance of the Moon as viewed from the Earth. Similarly with planetary phases.\n* The audio effect and DJ and compositional technique of phasing.\n* The term phase is used in small group communication, conflict, and negotiation to refer to segments during which the types of communication that occur remain approximately similar throughout, but clearly distinct from the types that occur during other phases.